Update search-howto-managed-identities-cosmos-db.md

Pencil edit in line 43: Changed Azure Portal to Azure portal as reported by Acrolinx

Author: PMEds28

articles/search/search-howto-managed-identities-cosmos-db.md

@@ -40,7 +40,7 @@ After selecting **Save** you will see an Object ID that has been assigned to you
 
 In this step you will give your Azure Cognitive Search service permission to read data from your Cosmos DB database.
 
-1. In the Azure Portal, navigate to the Cosmos DB account that contains the data that you would like to index.
+1. In the Azure portal, navigate to the Cosmos DB account that contains the data that you would like to index.
 2. Select **Access control (IAM)**
 3. Select **Add** then **Add role assignment**
 
@@ -142,4 +142,4 @@ For more information about defining indexer schedules see [How to schedule index
 ## See also
 
 Learn more about Cosmos DB indexers:
-* [Azure Cosmos DB indexer](search-howto-index-cosmosdb.md)
+* [Azure Cosmos DB indexer](search-howto-index-cosmosdb.md)