diff --git a/src/lang/english.txt b/src/lang/english.txt
index f0ac1df382..f38a4e46c9 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -3558,7 +3558,7 @@ STR_GROUP_CREATE_TOOLTIP                                        :{BLACK}Click to
 STR_GROUP_DELETE_TOOLTIP                                        :{BLACK}Delete the selected group
 STR_GROUP_RENAME_TOOLTIP                                        :{BLACK}Rename the selected group
 STR_GROUP_LIVERY_TOOLTIP                                        :{BLACK}Change livery of the selected group
-STR_GROUP_REPLACE_PROTECTION_TOOLTIP                            :{BLACK}Click to protect this group from global autoreplace
+STR_GROUP_REPLACE_PROTECTION_TOOLTIP                            :{BLACK}Click to protect this group from global autoreplace. Ctrl+Click to also protect sub-groups.
 
 STR_QUERY_GROUP_DELETE_CAPTION                                  :{WHITE}Delete Group
 STR_GROUP_DELETE_QUERY_TEXT                                     :{WHITE}Are you sure you want to delete this group and any descendants?