Fix string.

en.json

@@ -86,7 +86,7 @@
                     "user_banned": "{{user}} was banned",
                     "added_by": "{{user}} was added by {{other_user}}",
                     "removed_by": "{{user}} was removed by {{other_user}}",
-                    "channel_renamed": "{{user}} renamed the channel to {{other_user}}",
+                    "channel_renamed": "{{user}} renamed the channel to {{name}}",
                     "channel_description_changed": "{{user}} changed the channel description",
                     "channel_icon_changed": "{{user}} changed the channel icon"
                 },