Update configure-custom-domain.md

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Author: dlepow

articles/api-management/configure-custom-domain.md

@@ -53,7 +53,7 @@ There are several API Management endpoints to which you can assign a custom doma
 * The default **Gateway** endpoint also is available after you configure a custom Gateway domain name. For other API Management endpoints (such as **Developer portal**) that you configure with a custom domain name, the default endpoint is no longer available.
 * Only API Management instance owners can use **Management** and **SCM** endpoints internally. These endpoints are less frequently assigned a custom domain name.
 * The **Premium** and **Developer** tiers support setting multiple hostnames for the **Gateway** endpoint.
-* Wildcard domain names, like `*.contoso.com`, are supported in all tiers except the Consumption tier. A specific subdomain certificate (api.contoso.com) would take precedence over a wildcard certificate (*.contoso.com) for requests to api.contoso.com.
+* Wildcard domain names, like `*.contoso.com`, are supported in all tiers except the Consumption tier. A specific subdomain certificate (for example, api.contoso.com) would take precedence over a wildcard certificate (*.contoso.com) for requests to api.contoso.com.
 
 ## Domain certificate options