Update how-to-troubleshooting-guides.md

Author: AlicjaKucharczyk

articles/postgresql/flexible-server/how-to-troubleshooting-guides.md

@@ -52,11 +52,11 @@ To use troubleshooting guides, follow these steps:
 
 3. Navigate to the top of the page where you will find a series of tabs, each representing one of the six problems you may wish to resolve. Click on the relevant tab.
 
-   :::image type="content" source="./media/how-to-troubleshooting-guides/portal-blade-overview.png" alt-text="Screenshot of Troubleshooting guides - tabular view":::
+   :::image type="content" source="./media/how-to-troubleshooting-guides/portal-blade-overview.png" alt-text="Screenshot of Troubleshooting guides - tabular view.":::
 
 4. Select the time range during which the problem occurred.
 
-    :::image type="content" source="./media/how-to-troubleshooting-guides/time-range.png" alt-text="Screenshot of time range picker":::
+    :::image type="content" source="./media/how-to-troubleshooting-guides/time-range.png" alt-text="Screenshot of time range picker.":::
 
 5. Follow the step-by-step instructions provided by the guide. Pay close attention to the charts and data visualizations plotted within the troubleshooting steps, as they can help you identify any inaccuracies or anomalies. Use this information to effectively diagnose and resolve the problem at hand.
 
@@ -69,7 +69,7 @@ Once connected, query the `query_store.query_texts_view view` to retrieve the de
 
 In the example shown below, we utilize Azure Cloud Shell and the `psql` tool to accomplish this task:
 
-:::image type="content" source="./media/how-to-troubleshooting-guides/retrieve-query-text.png" alt-text="Screenshot of retrieving the Query Text":::
+:::image type="content" source="./media/how-to-troubleshooting-guides/retrieve-query-text.png" alt-text="Screenshot of retrieving the Query Text.":::
 
 ### Retrieving the Username
 
@@ -80,7 +80,7 @@ To retrieve the username, you can query the `pg_roles` view or use the query sho
 SELECT 'UserID'::regrole;
 ```
 
-:::image type="content" source="./media/how-to-troubleshooting-guides/retrieve-username.png" alt-text="Screenshot of retrieving the Username":::
+:::image type="content" source="./media/how-to-troubleshooting-guides/retrieve-username.png" alt-text="Screenshot of retrieving the Username.":::
 
 
 ## Next steps