Update index.yml

Author: v-albemi

articles/dms/index.yml

@@ -80,7 +80,7 @@ landingContent:
             url: how-to-migrate-ssis-packages-managed-instance.md
       - linkListType: concept
         links:
-          - text: Known Issues - Online migration to Azure SQL DB single database
+          - text: Known issues - Online migration to Azure SQL DB single database
             url: known-issues-azure-sql-online.md
           - text: Network topologies for Azure SQL DB managed instance migrations
             url: resource-network-topologies.md
@@ -99,7 +99,7 @@ landingContent:
             url: tutorial-rds-postgresql-server-azure-db-for-postgresql-online.md
       - linkListType: concept
         links:
-          - text: Known Issues - Online migration from PostgreSQL to Azure DB for PostgreSQL–Single server
+          - text: Known issues - Online migration from PostgreSQL to Azure DB for PostgreSQL–Single server
             url: known-issues-azure-postgresql-online.md
       - linkListType: video
         links:
@@ -116,7 +116,7 @@ landingContent:
             url: tutorial-rds-mysql-server-azure-db-for-mysql-online.md
       - linkListType: concept
         links:
-          - text: Known Issues - Online migration to Azure DB for MySQL
+          - text: Known issues - Online migration to Azure DB for MySQL
             url: known-issues-azure-mysql-online.md
 # Card 5
   - title: Migrate MongoDB to Azure Cosmos DB
@@ -140,7 +140,7 @@ landingContent:
             url: tutorial-oracle-azure-postgresql-online.md
       - linkListType: concept
         links:
-          - text: Known Issues - Online migration from Oracle to Azure DB for PostgreSQL–Single server
+          - text: Known issues - Online migration from Oracle to Azure DB for PostgreSQL–Single server
             url: known-issues-oracle-azure-postgresql-online.md      
       - linkListType: video
         links: