timers: fix enroll deprecation wording

PR-URL: https://github.com/nodejs/node/pull/18704
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Jon Moss <me@jonathanmoss.me>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

lib/timers.js

@@ -379,7 +379,7 @@ function enroll(item, msecs) {
 
 exports.enroll = util.deprecate(enroll,
                                 'timers.enroll() is deprecated. ' +
-                                'Please use clearTimeout instead.',
+                                'Please use setTimeout instead.',
                                 'DEP0095');