Update 01-varsub.inc.md

Author: haudiobe

specs/varsub/01-varsub.inc.md

@@ -1,9 +1,9 @@
-# {} # {#cmcd}
+# [TITLE] # {#varsub}
 
-## Introduction ## {#cmcd_introduction}
+## Introduction ## {#varsub_introduction}
 
 This feature description is an update to DASH-IF IOP Guidelines v4.3 [[!IOP43]].
 It adds an additional feature.
 
-The document is developed in [Google docs and can be accessed here](https://docs.google.com/document/d/1tmijOI2xB2w6rED4f-yFXQIPdxsVP8rm7DIgFWnjP1E/edit).
+The document is developed in [Google docs and can be accessed here](https://docs.google.com/document/d/1rFvEMFsqz6FZk4ldSFRpnnIfxRkgWE7q1pqvJMJcjD0/edit).