--- a/browser/components/customizableui/CustomizableWidgets.jsm
+++ b/browser/components/customizableui/CustomizableWidgets.jsm
@@ -919,17 +919,17 @@ const CustomizableWidgets = [
     onCommand: function(aEvent) {
       let win = aEvent.view;
       win.MailIntegration.sendLinkForWindow(win.content);
     }
   }, {
     id: "loop-call-button",
     type: "custom",
     label: "loop-call-button3.label",
-    tooltiptext: "loop-call-button2.tooltiptext",
+    tooltiptext: "loop-call-button3.tooltiptext",
     defaultArea: CustomizableUI.AREA_NAVBAR,
     introducedInVersion: 1,
     onBuild: function(aDocument) {
       let node = aDocument.createElementNS(kNSXUL, "toolbarbutton");
       node.setAttribute("id", this.id);
       node.classList.add("toolbarbutton-1");
       node.classList.add("chromeclass-toolbar-additional");
       node.classList.add("badged-button");

--- a/browser/locales/en-US/chrome/browser/customizableui/customizableWidgets.properties
+++ b/browser/locales/en-US/chrome/browser/customizableui/customizableWidgets.properties
@@ -95,17 +95,17 @@ email-link-button.tooltiptext3 = Email a
 quit-button.tooltiptext.linux2 = Quit %1$S (%2$S)
 # LOCALIZATION NOTE(quit-button.tooltiptext.mac): %1$S is the brand name (e.g. Firefox),
 # %2$S is the keyboard shortcut
 quit-button.tooltiptext.mac = Quit %1$S (%2$S)
 
 # LOCALIZATION NOTE(loop-call-button3.label): This is a brand name, request
 # approval before you change it.
 loop-call-button3.label = Hello
-loop-call-button2.tooltiptext = Start a conversation
+loop-call-button3.tooltiptext = Start a conversation
 
 social-share-button.label = Share This Page
 social-share-button.tooltiptext = Share This Page
 
 panic-button.label = Forget
 panic-button.tooltiptext = Forget about some browsing history
 
 web-apps-button.label = Apps