Update enable-api-center-portal.md

Author: dlepow

articles/api-center/enable-api-center-portal.md

@@ -130,7 +130,7 @@ az provider register --namespace Microsoft.ApiCenter
 
 If you're unable to request API permissions to Azure API Center in your Microsoft Entra app registration for the API Center portal, check that you are searching for **Azure API Center** (or application ID `c3ca1a77-7a87-4dba-b8f8-eea115ae4573`). 
 
-If the app is not presenet, there might be a problem with the registration of the **Microsoft.ApiCenter** resource provider in your subscription. You might need to re-register the resource provider. To do this, run the following command in the Azure CLI:
+If the app isn't present, there might be a problem with the registration of the **Microsoft.ApiCenter** resource provider in your subscription. You might need to re-register the resource provider. To do this, run the following command in the Azure CLI:
 
 ```azurecli
 az provider register --namespace Microsoft.ApiCenter