diff --git a/clientcredentials/clientcredentials.go b/clientcredentials/clientcredentials.go
index 2459d069f..51121a3d5 100644
--- a/clientcredentials/clientcredentials.go
+++ b/clientcredentials/clientcredentials.go
@@ -37,7 +37,7 @@ type Config struct {
 	// URL. This is a constant specific to each server.
 	TokenURL string
 
-	// Scope specifies optional requested permissions.
+	// Scopes specifies optional requested permissions.
 	Scopes []string
 
 	// EndpointParams specifies additional parameters for requests to the token endpoint.
diff --git a/google/externalaccount/aws.go b/google/externalaccount/aws.go
index ca27c2e98..55d59999e 100644
--- a/google/externalaccount/aws.go
+++ b/google/externalaccount/aws.go
@@ -28,7 +28,7 @@ import (
 
 // AwsSecurityCredentials models AWS security credentials.
 type AwsSecurityCredentials struct {
-	// AccessKeyId is the AWS Access Key ID - Required.
+	// AccessKeyID is the AWS Access Key ID - Required.
 	AccessKeyID string `json:"AccessKeyID"`
 	// SecretAccessKey is the AWS Secret Access Key - Required.
 	SecretAccessKey string `json:"SecretAccessKey"`
diff --git a/google/externalaccount/basecredentials.go b/google/externalaccount/basecredentials.go
index 6c81a6872..ee34924e3 100644
--- a/google/externalaccount/basecredentials.go
+++ b/google/externalaccount/basecredentials.go
@@ -329,7 +329,7 @@ type SubjectTokenSupplier interface {
 type AwsSecurityCredentialsSupplier interface {
 	// AwsRegion should return the AWS region or an error.
 	AwsRegion(ctx context.Context, options SupplierOptions) (string, error)
-	// GetAwsSecurityCredentials should return a valid set of AwsSecurityCredentials or an error.
+	// AwsSecurityCredentials should return a valid set of AwsSecurityCredentials or an error.
 	// The external account token source does not cache the returned security credentials, so caching
 	// logic should be implemented in the supplier to prevent multiple requests for the same security credentials.
 	AwsSecurityCredentials(ctx context.Context, options SupplierOptions) (*AwsSecurityCredentials, error)
diff --git a/oauth2.go b/oauth2.go
index 09f6a49b8..74f052aa9 100644
--- a/oauth2.go
+++ b/oauth2.go
@@ -56,7 +56,7 @@ type Config struct {
 	// the OAuth flow, after the resource owner's URLs.
 	RedirectURL string
 
-	// Scope specifies optional requested permissions.
+	// Scopes specifies optional requested permissions.
 	Scopes []string
 
 	// authStyleCache caches which auth style to use when Endpoint.AuthStyle is