docs: Update nested_example

Author: MichaelCurrin

nested_example/README.md

@@ -1,5 +1,5 @@
 # Nested example
 
-The files in this directory demonstrate what file linking and nested docs structure look like when using a custom sidebar.
+The files in this directory demonstrate what file linking and nested docs structure look like when using a custom sidebar such as [_sidebar.md](_sidebar.md).
 
-This [nested_example](/nested_example) was tested using a _Docsify_ server, but was reduced to just the content and sidebar file to serve as a lean example that does not run.
+This [nested_example](/nested_example) directory was tested using a _Docsify_ server, but was reduced to just the content and sidebar file to serve as a lean example that does not run.