diff --git a/docs/style-guide.rst b/docs/style-guide.rst
index 9e0fba5f6..64e76526f 100644
--- a/docs/style-guide.rst
+++ b/docs/style-guide.rst
@@ -747,7 +747,7 @@ Yes:
     function thisFunctionNameIsReallyLong(
         address x,
         address y,
-        address z,
+        address z
     )
         public
         onlyOwner