Rename section menu entries from "Overview" to "In this section"

content/en/quick-reference/_index.md

@@ -1,12 +1,12 @@
 ---
 title: Quick reference guides
-linkTitle: Overview
+linkTitle: In this section
 description: Quick reference guides to Hugo's features, functions, and methods.
 categories: []
 keywords: []
 menu:
   docs:
-    identifier: quick-reference-overview
+    identifier: quick-reference-in-this-section
     parent: quick-reference
     weight: 10
 weight: 10