Reference PR number in the changelog

Co-authored-by: jaimergp <[email protected]>

Author: jjerphan

news/914-shell-init-on-mamba-2

@@ -4,7 +4,7 @@
 
 ### Bug fixes
 
-* Add support of mamba 2
+* Add support of mamba v2 shell initialization. (#914)
 
 ### Deprecations