JS: Add some text at the beginning of the reference

asgerf · asgerf · commit fab798d65428 · 2022-12-15T11:45:53.000+01:00
diff --git a/docs/codeql/codeql-language-guides/customizing-library-models-for-javascript.rst b/docs/codeql/codeql-language-guides/customizing-library-models-for-javascript.rst
@@ -219,6 +219,8 @@ For example, the **mysql** model that is included with the CodeQL JS analysis in
 Reference
 =========
 
+The following sections provide reference material for extension points, access paths, types, and kinds.
+
 Extension points
 ----------------
 
