Help people choose an off-topic channel. (#3456)

People are confused about how to choose the "right" off-topic channel.

Author: nedbat

bot/resources/tags/off-topic-names.md

@@ -7,6 +7,7 @@ There are three off-topic channels:
 - <#463035241142026251>
 - <#463035268514185226>
 
+Use any of the three, it doesn't matter.
 The channel names change every night at midnight UTC and are often fun meta references to jokes or conversations that happened on the server.
 
 See our [off-topic etiquette](https://pythondiscord.com/pages/resources/guides/off-topic-etiquette/) page for more guidance on how the channels should be used.