overview mention, file rename

Author: aahill

articles/cognitive-services/language-service/custom-classification/definitions.md renamed to articles/cognitive-services/language-service/custom-classification/glossary.md

@@ -58,6 +58,8 @@ Follow these steps to get the most out of your model:
 
 ## Next steps
 
-* Use the [quickstart article](quickstart.md) to start sending requests using Language Studio.  
+* Use the [quickstart article](quickstart.md) to start using custom text classification.  
 
-* As you go through the application development lifecycle, review the [glossary](definitions.md) to learn more about the terms used throughout the documentation for this feature. 
+* As you go through the application development lifecycle, review the [glossary](glossary.md) to learn more about the terms used throughout the documentation for this feature. 
+
+* Remember to view the [service limits](service-limits.md) for information such as [regional availability](service-limits.md#regional-availability).

articles/cognitive-services/language-service/custom-classification/overview.md

@@ -64,4 +64,8 @@ Using Custom NER typically involves several different steps.
 
 ## Next steps
 
-[Quickstart: Use Language Studio for Custom NER](quickstart.md)
+* Use the [quickstart article](quickstart.md) to start using custom text classification.  
+
+* As you go through the application development lifecycle, review the [glossary](glossary.md) to learn more about the terms used throughout the documentation for this feature. 
+
+* Remember to view the [service limits](service-limits.md) for information such as [regional availability](service-limits.md#regional-availability).

articles/cognitive-services/language-service/custom-named-entity-recognition/overview.md

@@ -10,7 +10,7 @@ ms.subservice: language-service
 ms.topic: conceptual
 ms.date: 11/02/2021
 ms.author: aahi 
-ms.custom: language-service-custom-ner
+ms.custom: "language-service-custom-ner, references_regions"
 ---
 
 # Custom Named Entity Recognition (NER) service limits