Update whats-new.md

Author: aahill

articles/cognitive-services/language-service/whats-new.md

@@ -19,7 +19,7 @@ Azure Cognitive Service for Language is updated on an ongoing basis. To stay up-
 
 ## February 2022
 
-- Model improvements for latest model-version for [text summarization](/azure/cognitive-services/language-service/text-summarization/overview)
+- Model improvements for latest model-version for [text summarization](text-summarization/overview.md)
 
 ## December 2021
 
@@ -57,4 +57,4 @@ Azure Cognitive Service for Language is updated on an ongoing basis. To stay up-
 
 ## Next steps
 
-* [What is Azure Cognitive Service for Language?](overview.md)
+* [What is Azure Cognitive Service for Language?](overview.md)