Update generated code (#1365)

* update generated code

* Update src/Service/Route53/CHANGELOG.md

Co-authored-by: Jérémy Derussé <[email protected]>

Author: async-aws-bot

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Added
+
+- AWS enhancement: Documentation updates.
+
 ## 1.18.0
 
 ### Added

src/Sts/StsClient.php

@@ -25,11 +25,11 @@
 class StsClient extends AbstractApi
 {
     /**
-     * Returns a set of temporary security credentials that you can use to access Amazon Web Services resources that you
-     * might not normally have access to. These temporary credentials consist of an access key ID, a secret access key, and
-     * a security token. Typically, you use `AssumeRole` within your account or for cross-account access. For a comparison
-     * of `AssumeRole` with other API operations that produce temporary credentials, see Requesting Temporary Security
-     * Credentials and Comparing the Amazon Web Services STS API operations in the *IAM User Guide*.
+     * Returns a set of temporary security credentials that you can use to access Amazon Web Services resources. These
+     * temporary credentials consist of an access key ID, a secret access key, and a security token. Typically, you use
+     * `AssumeRole` within your account or for cross-account access. For a comparison of `AssumeRole` with other API
+     * operations that produce temporary credentials, see Requesting Temporary Security Credentials and Comparing the Amazon
+     * Web Services STS API operations in the *IAM User Guide*.
      *
      * @see https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html
      * @see https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html#stsapi_comparison