timers: fix outdated comment

PR-URL: #14314
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

lib/timers.js

@@ -739,7 +739,7 @@ function tryOnImmediate(immediate, oldTail) {
   var threw = true;
   emitBefore(immediate[async_id_symbol], immediate[trigger_id_symbol]);
   try {
-    // make the actual call outside the try/catch to allow it to be optimized
+    // make the actual call outside the try/finally to allow it to be optimized
     runCallback(immediate);
     threw = false;
   } finally {