diff --git a/synthtool/gcp/common.py b/synthtool/gcp/common.py
index a35ccb4cf..b1fbb6564 100644
--- a/synthtool/gcp/common.py
+++ b/synthtool/gcp/common.py
@@ -423,7 +423,7 @@ def detect_versions(
 
 
 def decamelize(value: str):
-    """parser to convert fooBar.js to Foo Bar."""
+    """Parser to convert fooBar.js to Foo Bar."""
     if not value:
         return ""
     str_decamelize = re.sub("^.", value[0].upper(), value)  # apple -> Apple.