diff --git a/docs/generators/php-nextgen.md b/docs/generators/php-nextgen.md
index 606e12c8d57..f0f5a44a0fd 100644
--- a/docs/generators/php-nextgen.md
+++ b/docs/generators/php-nextgen.md
@@ -259,6 +259,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |OAuth2_ClientCredentials|✗|OAS2,OAS3
 |OAuth2_AuthorizationCode|✗|OAS2,OAS3
 |SignatureAuth|✗|OAS3
+|AWSV4Signature|✗|ToolingExtension
 
 ### Wire Format Feature
 | Name | Supported | Defined By |
diff --git a/docs/generators/python-pydantic-v1.md b/docs/generators/python-pydantic-v1.md
index e157b9b1a05..0d8b836a7b2 100644
--- a/docs/generators/python-pydantic-v1.md
+++ b/docs/generators/python-pydantic-v1.md
@@ -222,6 +222,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |OAuth2_ClientCredentials|✗|OAS2,OAS3
 |OAuth2_AuthorizationCode|✗|OAS2,OAS3
 |SignatureAuth|✓|OAS3
+|AWSV4Signature|✗|ToolingExtension
 
 ### Wire Format Feature
 | Name | Supported | Defined By |