doc: add return value for DC unsubscribe

nodejs · Oct 12, 2021 · abbbcd1 · abbbcd1
1 parent 6d07e4d
commit abbbcd1
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/doc/api/diagnostics_channel.md b/doc/api/diagnostics_channel.md
@@ -267,10 +267,11 @@ added:
 changes:
   - version: REPLACEME
     pr-url: https://github.com/nodejs/node/pull/40433
-    description: Added to channels without subscribers.
+    description: Added return value. Added to channels without subscribers.
 -->
 
 * `onMessage` {Function} The previous subscribed handler to remove
+* Returns: {boolean} `true` if the handler was found, `false` otherwise.
 
 Remove a message handler previously registered to this channel with
 [`channel.subscribe(onMessage)`][].