diff --git a/doc/api/webstreams.md b/doc/api/webstreams.md
index 400efce91bb0a7..034d1c5579389f 100644
--- a/doc/api/webstreams.md
+++ b/doc/api/webstreams.md
@@ -1029,7 +1029,7 @@ changes:
     description: This class is now exposed on the global object.
 -->
 
-The `WritableStreamDefaultController` manage's the {WritableStream}'s
+The `WritableStreamDefaultController` manages the {WritableStream}'s
 internal state.
 
 #### `writableStreamDefaultController.error([error])`