Merge pull request #2162 from ONLYOFFICE/fix/Bug-59077

Bug 59077

apps/common/main/lib/component/Tab.js

@@ -74,7 +74,9 @@ define([
         render: function() {
             var el      = this.template(this);
             this.$el    = $(el);
-
+            this.$el.find('span').tooltip({
+                title: this.label,
+                placement: 'cursor'});
             this.rendered = true;
             this.disable(this.disabled);
             return this;