diff --git a/site-manage/site-manage-group-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroup/bundle/Messages.properties b/site-manage/site-manage-group-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroup/bundle/Messages.properties
index 67ea288..e3653c5 100644
--- a/site-manage/site-manage-group-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroup/bundle/Messages.properties
+++ b/site-manage/site-manage-group-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroup/bundle/Messages.properties
@@ -19,7 +19,7 @@ editgroup.generallist = Site Member List
 editgroup.grouplist = Group Member List
 editgroup.titlemissing = You need to specify the group title.
 editgroup.removegroups = Delete Groups
-editgroup.groupdel.alert = Are you sure you want to delete the following groups?
+editgroup.groupdel.alert = Deleting a group is permanent. Tools using the selected group(s) may not behave correctly after deletion. It is recommended that you check whether tools are using these groups in your site before deleting them. Are you sure you want to delete the following group(s)?
 editgroup.site.permission.alert = You are not allowed to make changes to the site.
 editgroup.site.notfound.alert = Site not found.
 
diff --git a/site-manage/site-manage-group-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroup/bundle/Messages_en_GB.properties b/site-manage/site-manage-group-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroup/bundle/Messages_en_GB.properties
index dab14b4..229c1e1 100644
--- a/site-manage/site-manage-group-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroup/bundle/Messages_en_GB.properties
+++ b/site-manage/site-manage-group-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroup/bundle/Messages_en_GB.properties
@@ -19,7 +19,7 @@ editgroup.generallist = Site Member List
 editgroup.grouplist = Group Member List
 editgroup.titlemissing = You need to specify the group title.
 editgroup.removegroups = Delete Groups
-editgroup.groupdel.alert = Are you sure you want to delete the following groups?
+editgroup.groupdel.alert = Deleting a group is permanent. Tools using the selected group(s) may not behave correctly after deletion. It is recommended that you check whether tools are using these groups in your site before deleting them. Are you sure you want to delete the following group(s)?
 editgroup.site.permission.alert = You are not allowed to make changes to the site.
 editgroup.site.notfound.alert = Site not found.
 
diff --git a/site-manage/site-manage-group-section-role-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroupsectionrole/bundle/Messages.properties b/site-manage/site-manage-group-section-role-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroupsectionrole/bundle/Messages.properties
index 40bffd7..cf96590 100644
--- a/site-manage/site-manage-group-section-role-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroupsectionrole/bundle/Messages.properties
+++ b/site-manage/site-manage-group-section-role-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroupsectionrole/bundle/Messages.properties
@@ -20,7 +20,7 @@ editgroup.generallist = Site Member List
 editgroup.grouplist = Group Member List
 editgroup.titlemissing = You need to specify the group title.
 editgroup.removegroups = Delete Groups
-editgroup.groupdel.alert = Are you sure you want to delete the following groups?
+editgroup.groupdel.alert = Deleting a group is permanent. Tools using the selected group(s) may not behave correctly after deletion. It is recommended that you check whether tools are using these groups in your site before deleting them. Are you sure you want to delete the following group(s)?
 editgroup.site.permission.alert = You are not allowed to make changes to the site.
 editgroup.site.notfound.alert = Site not found.
 none=--None--
diff --git a/site-manage/site-manage-group-section-role-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroupsectionrole/bundle/Messages_en_GB.properties b/site-manage/site-manage-group-section-role-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroupsectionrole/bundle/Messages_en_GB.properties
index e312de1..f938c91 100644
--- a/site-manage/site-manage-group-section-role-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroupsectionrole/bundle/Messages_en_GB.properties
+++ b/site-manage/site-manage-group-section-role-helper/tool/src/bundle/org/sakaiproject/site/tool/managegroupsectionrole/bundle/Messages_en_GB.properties
@@ -20,7 +20,7 @@ editgroup.generallist = Site Member List
 editgroup.grouplist = Group Member List
 editgroup.titlemissing = You need to specify the group title.
 editgroup.removegroups = Delete Groups
-editgroup.groupdel.alert = Are you sure you want to delete the following groups?
+editgroup.groupdel.alert = Deleting a group is permanent. Tools using the selected group(s) may not behave correctly after deletion. It is recommended that you check whether tools are using these groups in your site before deleting them. Are you sure you want to delete the following group(s)?
 editgroup.site.permission.alert = You are not allowed to make changes to the site.
 editgroup.site.notfound.alert = Site not found.
 
diff --git a/site-manage/site-manage-tool/tool/src/bundle/sitesetupgeneric.properties b/site-manage/site-manage-tool/tool/src/bundle/sitesetupgeneric.properties
index 6261568..402fe65 100644
--- a/site-manage/site-manage-tool/tool/src/bundle/sitesetupgeneric.properties
+++ b/site-manage/site-manage-tool/tool/src/bundle/sitesetupgeneric.properties
@@ -1040,7 +1040,7 @@ editgroup.generallist = Site Member List
 editgroup.grouplist = Group Member List
 editgroup.titlemissing = You need to specify the group title.
 editgroup.removegroups = Delete Groups
-editgroup.groupdel.alert = Are you sure you want to delete the following groups?
+editgroup.groupdel.alert = Deleting a group is permanent. Tools using the selected group(s) may not behave correctly after deletion. It is recommended that you check whether tools are using these groups in your site before deleting them. Are you sure you want to delete the following group(s)?
 editgroup.site.permission.alert = You are not allowed to make changes to the site.
 editgroup.site.notfound.alert = Site not found.