Merge pull request #1 from rpascalsdl/rpascalsdl-patch-1

Update index.md

Author: rpascalsdl

index.md

@@ -12,7 +12,10 @@ To create an integration with any of the products listed above, you'll need to u
 <Var:ProductName> products can be extended in a number of ways. For example, you may want to create an add-on to support a machine translation engine or you may want to create a custom workflow task. RWS provides an extensibility framework for the <Var:ProductName> suite of products. To get more information on what's required and how you can do this, visit the [<Var:ProductName> extensibility documentation](https://languagecloud.sdl.com/lc/extensibility-docs) pages. 
 
 ## Interacting with files
-Translatable content in <Var:ProductName> is held in a format called **BiLingual Content Model**, or **BCM** for short. You can find **BCM** reference documentation and samples on this site. Click [here](articles/BCM.NET_client_API.html) to find out more.
+Translatable content in <Var:ProductName> is held in a format called **Bilingual Content Model**, or **BCM** for short. You can find **BCM** reference documentation and samples on this site. Click [here](articles/BCM.NET_client_API.html) to find out more.
 
 ## Reporting API issues ##
 If you want to report an issue with the API, you can find information on how to do this here - [How to report an issue](https://languagecloud.sdl.com/lc/api-docs/how-to-report-an-issue)
+
+## Language Cloud API and Customer Portal API
+Please be aware that Language Cloud offers two different APIs. First is the modern Language Cloud API described here. Then there is the second API that is the [Mantra API](https://languagecloud.sdl.com/cp/api). Language Cloud API is the recommend option for new integrations as it is more modern and much effort is put into its continuous evolution along with Trados Enterprise. Please take care not to confuse the two of them as they are not interchangeable.