diff --git a/clients/client-efs/src/commands/CreateReplicationConfigurationCommand.ts b/clients/client-efs/src/commands/CreateReplicationConfigurationCommand.ts
index c31f194e3098..2eacc8f3e76a 100644
--- a/clients/client-efs/src/commands/CreateReplicationConfigurationCommand.ts
+++ b/clients/client-efs/src/commands/CreateReplicationConfigurationCommand.ts
@@ -62,11 +62,11 @@ export interface CreateReplicationConfigurationCommandOutput
  *                <ul>
  *                   <li>
  *                      <p>
- *                         <b>Amazon Web Services Region</b> - The Amazon Web Services Region in
- *               which the destination file system is created. Amazon EFS replication is
- *               available in all Amazon Web Services Regions that Amazon EFS is available in,
- *               except Africa (Cape Town), Asia Pacific (Hong Kong), Asia Pacific (Jakarta), Europe
- *               (Milan), and Middle East (Bahrain).</p>
+ *                         <b>Amazon Web Services Region</b> - The Amazon Web Services Region in which the destination file system is created. Amazon EFS replication is available in all Amazon Web Services Regions in which EFS is
+ *               available. To use EFS replication in a Region that is disabled by default, you must
+ *               first opt in to the Region. For more information, see <a href="https://docs.aws.amazon.com/general/latest/gr/rande-manage.html#rande-manage-enable">Managing Amazon Web Services Regions</a> in the <i>Amazon Web Services General Reference
+ *                 Reference Guide</i>
+ *                      </p>
  *                   </li>
  *                   <li>
  *                      <p>
@@ -117,7 +117,7 @@ export interface CreateReplicationConfigurationCommandOutput
  *             </li>
  *             <li>
  *                <p>
- *                   <b>Automatic backups</b> - Automatic daily backups not enabled on
+ *                   <b>Automatic backups</b> - Automatic daily backups are enabled on
  *           the destination file system. After the file system is created, you can change this
  *           setting.</p>
  *             </li>
diff --git a/clients/client-efs/src/commands/DeleteReplicationConfigurationCommand.ts b/clients/client-efs/src/commands/DeleteReplicationConfigurationCommand.ts
index 9263ca2080f5..e696b541f4e5 100644
--- a/clients/client-efs/src/commands/DeleteReplicationConfigurationCommand.ts
+++ b/clients/client-efs/src/commands/DeleteReplicationConfigurationCommand.ts
@@ -40,9 +40,7 @@ export interface DeleteReplicationConfigurationCommandOutput extends __MetadataB
 
 /**
  * @public
- * <p>Deletes an existing replication configuration. To delete a replication configuration, you
- *       must make the request from the Amazon Web Services Region in which the destination file system
- *       is located. Deleting a replication configuration ends the replication process. After a
+ * <p>Deletes an existing replication configuration. Deleting a replication configuration ends the replication process. After a
  *       replication configuration is deleted, the destination file system is no longer read-only. You
  *       can write to the destination file system after its status becomes
  *       <code>Writeable</code>.</p>
diff --git a/clients/client-efs/src/commands/DescribeAccountPreferencesCommand.ts b/clients/client-efs/src/commands/DescribeAccountPreferencesCommand.ts
index 9447ead729c7..eb02a0248b2d 100644
--- a/clients/client-efs/src/commands/DescribeAccountPreferencesCommand.ts
+++ b/clients/client-efs/src/commands/DescribeAccountPreferencesCommand.ts
@@ -37,8 +37,7 @@ export interface DescribeAccountPreferencesCommandOutput extends DescribeAccount
 
 /**
  * @public
- * <p>Returns the account preferences settings for the Amazon Web Services account associated with the user making the request, in the current Amazon Web Services Region.
- *       For more information, see <a href="efs/latest/ug/manage-efs-resource-ids.html">Managing Amazon EFS resource IDs</a>.</p>
+ * <p>Returns the account preferences settings for the Amazon Web Services account associated with the user making the request, in the current Amazon Web Services Region.</p>
  * @example
  * Use a bare-bones client and the command you need to make an API call.
  * ```javascript
diff --git a/clients/client-efs/src/models/models_0.ts b/clients/client-efs/src/models/models_0.ts
index 1720f1adf0bc..bde8d1fbb535 100644
--- a/clients/client-efs/src/models/models_0.ts
+++ b/clients/client-efs/src/models/models_0.ts
@@ -718,6 +718,7 @@ export interface CreateFileSystemRequest {
    *          <note>
    *             <p>The <code>maxIO</code> mode is not supported on file systems using One Zone storage classes.</p>
    *          </note>
+   *          <p>Default is <code>generalPurpose</code>.</p>
    */
   PerformanceMode?: PerformanceMode | string;
 
@@ -779,12 +780,12 @@ export interface CreateFileSystemRequest {
 
   /**
    * @public
-   * <p>The throughput, measured in
-   *       MiB/s,
-   *       that you want to provision for a file system that you're creating. Valid values are
-   *       1-1024. Required if <code>ThroughputMode</code> is set to <code>provisioned</code>. The upper
-   *       limit for throughput is 1024 MiB/s. To increase this limit, contact Amazon Web Services Support. For
-   *       more information, see <a href="https://docs.aws.amazon.com/efs/latest/ug/limits.html#soft-limits">Amazon EFS quotas that you can increase</a> in the <i>Amazon EFS User Guide</i>.</p>
+   * <p>The throughput, measured in mebibytes per second (MiBps), that you want to provision for a
+   *       file system that you're creating. Required if <code>ThroughputMode</code> is set to
+   *         <code>provisioned</code>. Valid values are 1-3414 MiBps, with the upper limit depending on
+   *       Region. To increase this limit, contact Amazon Web Services Support. For more information, see <a href="https://docs.aws.amazon.com/efs/latest/ug/limits.html#soft-limits">Amazon EFS quotas
+   *         that you can increase</a> in the <i>Amazon EFS User
+   *       Guide</i>.</p>
    */
   ProvisionedThroughputInMibps?: number;
 
@@ -1011,7 +1012,7 @@ export interface FileSystemDescription {
 
   /**
    * @public
-   * <p>The amount of provisioned throughput, measured in MiB/s, for the file system. Valid for
+   * <p>The amount of provisioned throughput, measured in MiBps, for the file system. Valid for
    *       file systems using <code>ThroughputMode</code> set to <code>provisioned</code>.</p>
    */
   ProvisionedThroughputInMibps?: number;
@@ -1711,6 +1712,7 @@ export interface Destination {
 
 /**
  * @public
+ * <p>Describes the replication configuration for a specific file system.</p>
  */
 export interface ReplicationConfigurationDescription {
   /**
@@ -2946,10 +2948,13 @@ export interface UpdateFileSystemRequest {
 
   /**
    * @public
-   * <p>(Optional) Sets the amount of provisioned throughput, in MiB/s, for the file
-   *       system. Valid values are 1-1024. If you are changing the throughput mode to provisioned, you must also
-   *       provide the amount of provisioned throughput. Required if <code>ThroughputMode</code> is changed
-   *       to <code>provisioned</code> on update.</p>
+   * <p>(Optional) The throughput, measured in mebibytes per second (MiBps), that you want to
+   *       provision for a file system that you're creating. Required if <code>ThroughputMode</code>
+   *       is set to <code>provisioned</code>. Valid values are 1-3414 MiBps, with the upper limit
+   *       depending on Region. To increase this limit, contact Amazon Web Services Support. For more information,
+   *       see <a href="https://docs.aws.amazon.com/efs/latest/ug/limits.html#soft-limits">Amazon EFS
+   *         quotas that you can increase</a> in the <i>Amazon EFS User
+   *         Guide</i>.</p>
    */
   ProvisionedThroughputInMibps?: number;
 }
diff --git a/codegen/sdk-codegen/aws-models/efs.json b/codegen/sdk-codegen/aws-models/efs.json
index ddc1c14c89c3..5473b497d804 100644
--- a/codegen/sdk-codegen/aws-models/efs.json
+++ b/codegen/sdk-codegen/aws-models/efs.json
@@ -424,7 +424,7 @@
         "PerformanceMode": {
           "target": "com.amazonaws.efs#PerformanceMode",
           "traits": {
-            "smithy.api#documentation": "<p>The performance mode of the file system. We recommend <code>generalPurpose</code>\n      performance mode for most file systems. File systems using the <code>maxIO</code> performance\n      mode can scale to higher levels of aggregate throughput and operations per second with a\n      tradeoff of slightly higher latencies for most file operations. The performance mode\n      can't be changed after the file system has been created.</p>\n         <note>\n            <p>The <code>maxIO</code> mode is not supported on file systems using One Zone storage classes.</p>\n         </note>"
+            "smithy.api#documentation": "<p>The performance mode of the file system. We recommend <code>generalPurpose</code>\n      performance mode for most file systems. File systems using the <code>maxIO</code> performance\n      mode can scale to higher levels of aggregate throughput and operations per second with a\n      tradeoff of slightly higher latencies for most file operations. The performance mode\n      can't be changed after the file system has been created.</p>\n         <note>\n            <p>The <code>maxIO</code> mode is not supported on file systems using One Zone storage classes.</p>\n         </note>\n         <p>Default is <code>generalPurpose</code>.</p>"
           }
         },
         "Encrypted": {
@@ -448,7 +448,7 @@
         "ProvisionedThroughputInMibps": {
           "target": "com.amazonaws.efs#ProvisionedThroughputInMibps",
           "traits": {
-            "smithy.api#documentation": "<p>The throughput, measured in\n      MiB/s,\n      that you want to provision for a file system that you're creating. Valid values are\n      1-1024. Required if <code>ThroughputMode</code> is set to <code>provisioned</code>. The upper\n      limit for throughput is 1024 MiB/s. To increase this limit, contact Amazon Web Services Support. For\n      more information, see <a href=\"https://docs.aws.amazon.com/efs/latest/ug/limits.html#soft-limits\">Amazon EFS quotas that you can increase</a> in the <i>Amazon EFS User Guide</i>.</p>"
+            "smithy.api#documentation": "<p>The throughput, measured in mebibytes per second (MiBps), that you want to provision for a\n      file system that you're creating. Required if <code>ThroughputMode</code> is set to\n        <code>provisioned</code>. Valid values are 1-3414 MiBps, with the upper limit depending on\n      Region. To increase this limit, contact Amazon Web Services Support. For more information, see <a href=\"https://docs.aws.amazon.com/efs/latest/ug/limits.html#soft-limits\">Amazon EFS quotas\n        that you can increase</a> in the <i>Amazon EFS User\n      Guide</i>.</p>"
           }
         },
         "AvailabilityZoneName": {
@@ -627,7 +627,7 @@
         }
       ],
       "traits": {
-        "smithy.api#documentation": "<p>Creates a replication configuration that replicates an existing EFS file system to a new,\n      read-only file system. For more information, see <a href=\"https://docs.aws.amazon.com/efs/latest/ug/efs-replication.html\">Amazon EFS replication</a> in the\n          <i>Amazon EFS User Guide</i>. The replication configuration\n      specifies the following:</p>\n         <ul>\n            <li>\n               <p>\n                  <b>Source file system</b> - An existing EFS file system that you\n          want replicated. The source file system cannot be a destination file system in an existing\n          replication configuration.</p>\n            </li>\n            <li>\n               <p>\n                  <b>Destination file system configuration</b> - The configuration of\n          the destination file system to which the source file system will be replicated. There can\n          only be one destination file system in a replication configuration. The destination file\n          system configuration consists of the following properties:</p>\n               <ul>\n                  <li>\n                     <p>\n                        <b>Amazon Web Services Region</b> - The Amazon Web Services Region in\n              which the destination file system is created. Amazon EFS replication is\n              available in all Amazon Web Services Regions that Amazon EFS is available in,\n              except Africa (Cape Town), Asia Pacific (Hong Kong), Asia Pacific (Jakarta), Europe\n              (Milan), and Middle East (Bahrain).</p>\n                  </li>\n                  <li>\n                     <p>\n                        <b>Availability Zone</b> - If you want the destination file system\n              to use EFS One Zone availability and durability, you must specify the Availability\n              Zone to create the file system in. For more information about EFS storage classes, see\n                <a href=\"https://docs.aws.amazon.com/efs/latest/ug/storage-classes.html\">\n                Amazon EFS storage classes</a> in the <i>Amazon EFS User\n                Guide</i>.</p>\n                  </li>\n                  <li>\n                     <p>\n                        <b>Encryption</b> - All destination file systems are created with\n              encryption at rest enabled. You can specify the Key Management Service (KMS) key that is used to encrypt the destination file system. If you don't\n              specify a KMS key, your service-managed KMS key for\n                Amazon EFS is used.  </p>\n                     <note>\n                        <p>After the file system is created, you cannot change the KMS key.</p>\n                     </note>\n                  </li>\n               </ul>\n            </li>\n         </ul>\n         <p>The following properties are set by default:</p>\n         <ul>\n            <li>\n               <p>\n                  <b>Performance mode</b> - The destination file system's performance\n          mode matches that of the source file system, unless the destination file system uses EFS\n          One Zone storage. In that case, the General Purpose performance mode is used. The\n          performance mode cannot be changed.</p>\n            </li>\n            <li>\n               <p>\n                  <b>Throughput mode</b> - The destination file system's throughput\n        mode matches that of the source file system. After the file system is created, you can modify the\n          throughput mode.</p>\n            </li>\n         </ul>\n         <p>The following properties are turned off by default:</p>\n         <ul>\n            <li>\n               <p>\n                  <b>Lifecycle management</b> - EFS lifecycle management and EFS\n          Intelligent-Tiering are not enabled on the destination file system. After the destination\n          file system is created, you can enable EFS lifecycle management and EFS\n          Intelligent-Tiering.</p>\n            </li>\n            <li>\n               <p>\n                  <b>Automatic backups</b> - Automatic daily backups not enabled on\n          the destination file system. After the file system is created, you can change this\n          setting.</p>\n            </li>\n         </ul>\n         <p>For more information, see <a href=\"https://docs.aws.amazon.com/efs/latest/ug/efs-replication.html\">Amazon EFS replication</a> in the\n          <i>Amazon EFS User Guide</i>.</p>",
+        "smithy.api#documentation": "<p>Creates a replication configuration that replicates an existing EFS file system to a new,\n      read-only file system. For more information, see <a href=\"https://docs.aws.amazon.com/efs/latest/ug/efs-replication.html\">Amazon EFS replication</a> in the\n          <i>Amazon EFS User Guide</i>. The replication configuration\n      specifies the following:</p>\n         <ul>\n            <li>\n               <p>\n                  <b>Source file system</b> - An existing EFS file system that you\n          want replicated. The source file system cannot be a destination file system in an existing\n          replication configuration.</p>\n            </li>\n            <li>\n               <p>\n                  <b>Destination file system configuration</b> - The configuration of\n          the destination file system to which the source file system will be replicated. There can\n          only be one destination file system in a replication configuration. The destination file\n          system configuration consists of the following properties:</p>\n               <ul>\n                  <li>\n                     <p>\n                        <b>Amazon Web Services Region</b> - The Amazon Web Services Region in which the destination file system is created. Amazon EFS replication is available in all Amazon Web Services Regions in which EFS is\n              available. To use EFS replication in a Region that is disabled by default, you must\n              first opt in to the Region. For more information, see <a href=\"https://docs.aws.amazon.com/general/latest/gr/rande-manage.html#rande-manage-enable\">Managing Amazon Web Services Regions</a> in the <i>Amazon Web Services General Reference\n                Reference Guide</i>\n                     </p>\n                  </li>\n                  <li>\n                     <p>\n                        <b>Availability Zone</b> - If you want the destination file system\n              to use EFS One Zone availability and durability, you must specify the Availability\n              Zone to create the file system in. For more information about EFS storage classes, see\n                <a href=\"https://docs.aws.amazon.com/efs/latest/ug/storage-classes.html\">\n                Amazon EFS storage classes</a> in the <i>Amazon EFS User\n                Guide</i>.</p>\n                  </li>\n                  <li>\n                     <p>\n                        <b>Encryption</b> - All destination file systems are created with\n              encryption at rest enabled. You can specify the Key Management Service (KMS) key that is used to encrypt the destination file system. If you don't\n              specify a KMS key, your service-managed KMS key for\n                Amazon EFS is used.  </p>\n                     <note>\n                        <p>After the file system is created, you cannot change the KMS key.</p>\n                     </note>\n                  </li>\n               </ul>\n            </li>\n         </ul>\n         <p>The following properties are set by default:</p>\n         <ul>\n            <li>\n               <p>\n                  <b>Performance mode</b> - The destination file system's performance\n          mode matches that of the source file system, unless the destination file system uses EFS\n          One Zone storage. In that case, the General Purpose performance mode is used. The\n          performance mode cannot be changed.</p>\n            </li>\n            <li>\n               <p>\n                  <b>Throughput mode</b> - The destination file system's throughput\n        mode matches that of the source file system. After the file system is created, you can modify the\n          throughput mode.</p>\n            </li>\n         </ul>\n         <p>The following properties are turned off by default:</p>\n         <ul>\n            <li>\n               <p>\n                  <b>Lifecycle management</b> - EFS lifecycle management and EFS\n          Intelligent-Tiering are not enabled on the destination file system. After the destination\n          file system is created, you can enable EFS lifecycle management and EFS\n          Intelligent-Tiering.</p>\n            </li>\n            <li>\n               <p>\n                  <b>Automatic backups</b> - Automatic daily backups are enabled on\n          the destination file system. After the file system is created, you can change this\n          setting.</p>\n            </li>\n         </ul>\n         <p>For more information, see <a href=\"https://docs.aws.amazon.com/efs/latest/ug/efs-replication.html\">Amazon EFS replication</a> in the\n          <i>Amazon EFS User Guide</i>.</p>",
         "smithy.api#http": {
           "method": "POST",
           "uri": "/2015-02-01/file-systems/{SourceFileSystemId}/replication-configuration",
@@ -995,7 +995,7 @@
         }
       ],
       "traits": {
-        "smithy.api#documentation": "<p>Deletes an existing replication configuration. To delete a replication configuration, you\n      must make the request from the Amazon Web Services Region in which the destination file system\n      is located. Deleting a replication configuration ends the replication process. After a\n      replication configuration is deleted, the destination file system is no longer read-only. You\n      can write to the destination file system after its status becomes\n      <code>Writeable</code>.</p>",
+        "smithy.api#documentation": "<p>Deletes an existing replication configuration. Deleting a replication configuration ends the replication process. After a\n      replication configuration is deleted, the destination file system is no longer read-only. You\n      can write to the destination file system after its status becomes\n      <code>Writeable</code>.</p>",
         "smithy.api#http": {
           "method": "DELETE",
           "uri": "/2015-02-01/file-systems/{SourceFileSystemId}/replication-configuration",
@@ -1049,9 +1049,7 @@
             "documentation": "This operation deletes tags for an EFS file system.",
             "input": {
               "FileSystemId": "fs-01234567",
-              "TagKeys": [
-                "Name"
-              ]
+              "TagKeys": ["Name"]
             }
           }
         ],
@@ -1211,7 +1209,7 @@
         }
       ],
       "traits": {
-        "smithy.api#documentation": "<p>Returns the account preferences settings for the Amazon Web Services account associated with the user making the request, in the current Amazon Web Services Region.\n      For more information, see <a href=\"efs/latest/ug/manage-efs-resource-ids.html\">Managing Amazon EFS resource IDs</a>.</p>",
+        "smithy.api#documentation": "<p>Returns the account preferences settings for the Amazon Web Services account associated with the user making the request, in the current Amazon Web Services Region.</p>",
         "smithy.api#http": {
           "method": "GET",
           "uri": "/2015-02-01/account-preferences",
@@ -1544,9 +1542,7 @@
               "MountTargetId": "fsmt-12340abc"
             },
             "output": {
-              "SecurityGroups": [
-                "sg-4567abcd"
-              ]
+              "SecurityGroups": ["sg-4567abcd"]
             }
           }
         ],
@@ -2123,7 +2119,7 @@
         "ProvisionedThroughputInMibps": {
           "target": "com.amazonaws.efs#ProvisionedThroughputInMibps",
           "traits": {
-            "smithy.api#documentation": "<p>The amount of provisioned throughput, measured in MiB/s, for the file system. Valid for\n      file systems using <code>ThroughputMode</code> set to <code>provisioned</code>.</p>"
+            "smithy.api#documentation": "<p>The amount of provisioned throughput, measured in MiBps, for the file system. Valid for\n      file systems using <code>ThroughputMode</code> set to <code>provisioned</code>.</p>"
           }
         },
         "AvailabilityZoneName": {
@@ -4002,9 +3998,7 @@
             "documentation": "This operation modifies the security groups associated with a mount target for a file system.",
             "input": {
               "MountTargetId": "fsmt-12340abc",
-              "SecurityGroups": [
-                "sg-abcd1234"
-              ]
+              "SecurityGroups": ["sg-abcd1234"]
             }
           }
         ],
@@ -4330,7 +4324,7 @@
       "type": "double",
       "traits": {
         "smithy.api#range": {
-          "min": 1
+          "min": 1.0
         }
       }
     },
@@ -4636,6 +4630,9 @@
             "smithy.api#required": {}
           }
         }
+      },
+      "traits": {
+        "smithy.api#documentation": "<p>Describes the replication configuration for a specific file system.</p>"
       }
     },
     "com.amazonaws.efs#ReplicationConfigurationDescriptions": {
@@ -5333,7 +5330,7 @@
         "ProvisionedThroughputInMibps": {
           "target": "com.amazonaws.efs#ProvisionedThroughputInMibps",
           "traits": {
-            "smithy.api#documentation": "<p>(Optional) Sets the amount of provisioned throughput, in MiB/s, for the file\n      system. Valid values are 1-1024. If you are changing the throughput mode to provisioned, you must also \n      provide the amount of provisioned throughput. Required if <code>ThroughputMode</code> is changed \n      to <code>provisioned</code> on update.</p>"
+            "smithy.api#documentation": "<p>(Optional) The throughput, measured in mebibytes per second (MiBps), that you want to\n      provision for a file system that you're creating. Required if <code>ThroughputMode</code>\n      is set to <code>provisioned</code>. Valid values are 1-3414 MiBps, with the upper limit\n      depending on Region. To increase this limit, contact Amazon Web Services Support. For more information,\n      see <a href=\"https://docs.aws.amazon.com/efs/latest/ug/limits.html#soft-limits\">Amazon EFS\n        quotas that you can increase</a> in the <i>Amazon EFS User\n        Guide</i>.</p>"
           }
         }
       },
@@ -5364,4 +5361,4 @@
       "type": "string"
     }
   }
-}
\ No newline at end of file
+}