diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index 568589350e1..d1e0ab865ed 100644
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -1707,7 +1707,7 @@ en:
     custom_summarization_allowed_groups: "Groups allowed to summarize contents using the `summarization_strategy`."
 
     enable_personal_messages: "DEPRECATED, use the 'personal message enabled groups' setting instead. Allow trust level 1 (configurable via min trust to send messages) users to create messages and reply to messages. Note that staff can always send messages no matter what."
-    personal_message_enabled_groups: "Allow users within these groups to create messages and reply to messages. Trust level groups include all trust levels above that number, for example choosing trust_level_1 also allows trust_level_2, 3, 4 users to send PMs. Note that staff can always send messages no matter what."
+    personal_message_enabled_groups: "Allow users in these groups to create personal messages. IMPORTANT: 1) all users can reply to messages. 2) Trust level groups include higher levels; choose trust_level_1 to allow TL1, TL2, TL3, TL4 but not allow TL0. 3) Admins and mods can always send messages. 3) Group interaction settings override this setting for messaging specific groups."
     enable_system_message_replies: "Allows users to reply to system messages, even if personal messages are disabled"
     enable_chunked_encoding: "Enable chunked encoding responses by the server. This feature works on most setups however some proxies may buffer, causing responses to be delayed"
     long_polling_base_url: "Base URL used for long polling (when a CDN is serving dynamic content, be sure to set this to origin pull) eg: http://origin.site.com"