Update learn-pr/wwl-azure/basic-sql-aggregate-functions-grouping/index.yml

Co-authored-by: Sidney Andrews <[email protected]>

Author: markingmyname

learn-pr/wwl-azure/basic-sql-aggregate-functions-grouping/index.yml

@@ -166,7 +166,7 @@ products:
 subjects:
   - databases
 units:
-- learn.wwl-azure.basic-sql-aggregate-functions-grouping-introduction
+- learn.wwl-azure.basic-sql-aggregate-functions-grouping.introduction
 - learn.wwl-azure.basic-sql-aggregate-functions-grouping.sample-database-overview
 - learn.wwl-azure.basic-sql-aggregate-functions-grouping.aggregate-functions
 - learn.wwl-azure.basic-sql-aggregate-functions-grouping.group-by-having