diff --git a/docs/README.md b/docs/README.md
index 16198f2..94ed183 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -12,7 +12,7 @@ npm install api-problem
 
 | name          | type     | required | default            | description                                                                            | referece                |
 | ------------- | -------- | -------- | ------------------ | -------------------------------------------------------------------------------------- | ----------------------- |
-| **`status`**  | `String` | `✔`      | `N/A`              | The HTTP status code generated by the origin server for this occurrence of the problem | [Section 3.1][spec-3.1] |
+| **`status`**  | `Number` | `✔`      | `N/A`              | The HTTP status code generated by the origin server for this occurrence of the problem | [Section 3.1][spec-3.1] |
 | **`title`**   | `String` | `✖`      | HTTP status phrase | A short, human-readable summary of the problem type                                    | [Section 3.1][spec-3.1] |
 | **`type`**    | `String` | `✖`      | `about:blank`      | A URI reference that identifies the problem type                                       | [Section 3.1][spec-3.1] |
 | **`details`** | `Object` | `✖`      | `N/A`              | additional details to attach to object                                                 | [Section 3.1][spec-3.2] |