diff --git a/doc/api/webstreams.md b/doc/api/webstreams.md
index 9f356360078f59..2e81806d85e07d 100644
--- a/doc/api/webstreams.md
+++ b/doc/api/webstreams.md
@@ -21,7 +21,7 @@ streaming data. It is similar to the Node.js [Streams][] API but emerged later
 and has become the "standard" API for streaming data across many JavaScript
 environments.
 
-There are three primary types of objects
+There are three primary types of objects:
 
 * `ReadableStream` - Represents a source of streaming data.
 * `WritableStream` - Represents a destination for streaming data.