MAGETWO-32310: Pop-ups

Author: zanilee

app/code/Magento/Tax/view/adminhtml/templates/rule/edit.phtml

@@ -176,7 +176,7 @@ require([
             taxRateFormElement.mage('form').mage('validation');
 
             taxRateForm.dialogRates({
-                title: '<?php echo __('Tax Rate1'); ?>',
+                title: '<?php echo __('Tax Rate'); ?>',
                 autoOpen: false,
                 id: '<?php echo $block->getJsId() ?>',
                 minWidth: 560,