Issue #3127960 by Kartagis: Incorrectly put underscore in string

(cherry picked from commit a4ddcd27)

core/modules/shortcut/src/Plugin/migrate/source/d7/Shortcut.php

@@ -31,7 +31,7 @@ public function query() {
   public function fields() {
     return [
       'mlid' => $this->t("The menu.mlid primary key for this menu item (= shortcut link)."),
-      'menu_name' => $this->t("The menu_name (= set name) for this shortcut link."),
+      'menu_name' => $this->t("The menu name (= set name) for this shortcut link."),
       'link_path' => $this->t("The link for this shortcut."),
       'link_title' => $this->t("The title for this shortcut."),
       'weight' => $this->t("The weight for this shortcut"),