Fixing alt text

Author: v-dirichards

articles/azure-resource-manager/bicep/bicep-config.md

@@ -21,7 +21,7 @@ To create a `bicepconfig.json` file in Visual Studio Code, open the Command Pale
 
 The Bicep extension for Visual Studio Code supports intellisense for your `bicepconfig.json` file. Use the intellisense to discover available properties and values.
 
-:::image type="content" source="./media/bicep-config/bicep-linter-configure-intellisense.png" alt-text="The intellisense support in configuring bicepconfig.json.":::
+:::image type="content" source="./media/bicep-config/bicep-linter-configure-intellisense.png" alt-text="Screenshot of the intellisense support in configuring bicepconfig.json.":::
 
 ## Configure Bicep modules