Fix

Author: mcmorisi

source/whats-new.txt

@@ -57,7 +57,7 @@ The 3.1 driver release includes the following new features:
   in MQL queries.
 
 - Adds support for Exact Nearest Neighbor (ENN) vector search. To learn more about ENN
-  Vector Search, see `Run Vector Search Queries <atlas-vector-search/vector-search-stage>`__
+  Vector Search, see :atlas:`Run Vector Search Queries <atlas-vector-search/vector-search-stage>`
   in the Atlas Search documentation.
 
 - Adds support for the ``sort`` option to be passed to update commands. To learn more about