Update restore/action.yml

Co-authored-by: Bishal Prasad <bishal-pdmsft@github.com>

restore/action.yml

@@ -15,7 +15,7 @@ outputs:
   cache-hit:
     description: 'A boolean value to indicate an exact match was found for the primary key'
   cache-primary-key:
-    description: 'Cache primary key passed in the input to use in subsequent steps of the workflow'
+    description: 'A resolved cache key for which cache match was attempted'
   cache-restore-key:
     description: 'Restore key which was used to restore the cache. It will not be set in case there was an exact match with primary key itself'
 runs: