diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1064a7c09a..caee7d0227 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,3 @@
 <a name="">My app - Changelog</a>
-#  (2015-03-21)
+#  (2015-03-22)
 
diff --git a/common/locales/en/groups.json b/common/locales/en/groups.json
index 94f6ca73a3..fdbad09d14 100644
--- a/common/locales/en/groups.json
+++ b/common/locales/en/groups.json
@@ -94,5 +94,6 @@
     "abuseFlagModalBody": "Are you sure you want to report this post? You should ONLY report a post that violates the <%= firstLinkStart %>Community Guidelines<%= linkEnd %> and/or <%= secondLinkStart %>Terms of Service<%= linkEnd %>. Inappropriately reporting a post is a violation of the Community Guidelines and may give you an infraction.",
     "abuseFlagModalButton": "Report",
     "abuseReported": "Thank you for reporting this violation. The moderators have been notified.",
-    "abuseAlreadyReported": "You have already reported this message."
+    "abuseAlreadyReported": "You have already reported this message.",
+    "needsText": "Type something in the box, then click this button."
 }
diff --git a/website/views/shared/modals/members.jade b/website/views/shared/modals/members.jade
index bfb57ac814..dffce21a7f 100644
--- a/website/views/shared/modals/members.jade
+++ b/website/views/shared/modals/members.jade
@@ -48,7 +48,10 @@ script(type='text/ng-template', id='modals/private-message.html')
   .modal-body
     textarea.form-control(type='text',rows='5',ui-keydown='{"meta-enter":"sendPrivateMessage(profile._id, _message)"}',ng-model='_message')
   .modal-footer
-    button.btn.btn-primary(ng-disabled='!_message',ng-click='sendPrivateMessage(profile._id, _message)')=env.t("send")
+    //- Due to a quirk in Bootstrap UI, we need to wrap this so the tooltip can
+    //- appear when disabled.
+    div(style='display:inline-block',tooltip="{{_message ? '' : env.t('needsText')}}")
+      button.btn.btn-primary(ng-disabled='!_message',ng-click='sendPrivateMessage(profile._id, _message)')=env.t("send")
     button.btn.btn-default(ng-click='$close()')=env.t('cancel')
 
 script(type='text/ng-template', id='modals/send-gift.html')
@@ -109,4 +112,4 @@ script(type='text/ng-template', id='modals/remove-member.html')
     textarea.form-control(type='text',rows='5',placeholder=env.t('optionalMessage'),ng-model='removeMemberData.message')
   .modal-footer
     button.pull-left.btn.btn-danger(ng-click='confirmRemoveMember(true); $close()')=env.t('yesRemove')
-    button.btn.btn-default(ng-click='confirmRemoveMember(false); $close()')=env.t('cancel')
\ No newline at end of file
+    button.btn.btn-default(ng-click='confirmRemoveMember(false); $close()')=env.t('cancel')