diff --git a/src/_locales/en/messages.json b/src/_locales/en/messages.json
index e42b2792d..8facea567 100644
--- a/src/_locales/en/messages.json
+++ b/src/_locales/en/messages.json
@@ -99,6 +99,14 @@
     "message":"Local rules: this column is for rules which apply to the current site only.\nLocal rules override global rules.",
     "description":"Tooltip when hovering the top-most cell of the local-rules column."
   },
+  "popupTipSaveRules":{
+    "message":"Click to make your changes permanent.",
+    "description":"Tooltip when hovering over the padlock in the dynamic filtering pane."
+  },
+  "popupTipRevertRules":{
+    "message":"Click to revert your changes.",
+    "description":"Tooltip when hovering over the eraser in the dynamic filtering pane."
+  },
   "popupAnyRulePrompt":{
     "message":"all",
     "description":""
diff --git a/src/popup.html b/src/popup.html
index 1ca5c9767..97a110a2f 100644
--- a/src/popup.html
+++ b/src/popup.html
@@ -41,7 +41,7 @@
             <div><span data-i18n="popup1pScriptRulePrompt"></span><span data-src="/" data-des="*" data-type="1p-script"> </span><span data-src="." data-des="*" data-type="1p-script"> </span></div>
             <div><span data-i18n="popup3pScriptRulePrompt"></span><span data-src="/" data-des="*" data-type="3p-script"> </span><span data-src="." data-des="*" data-type="3p-script"> </span></div>
             <div><span data-i18n="popup3pFrameRulePrompt"></span><span data-src="/" data-des="*" data-type="3p-frame"> </span><span data-src="." data-des="*" data-type="3p-frame"> </span></div>
-        </div><div id="rulesetTools"><span id="saveRules" class="fa">&#xf023;</span><span id="revertRules" class="fa">&#xf12d;</span></div>
+        </div><div id="rulesetTools"><span id="saveRules" class="fa" data-i18n-tip="popupTipSaveRules" data-tip-position="under">&#xf023;</span><span id="revertRules" class="fa" data-i18n-tip="popupTipRevertRules" data-tip-position="under">&#xf12d;</span></div>
     </div>
 </div>