Update CHANGELOG.md

CHANGELOG.md

@@ -7,7 +7,7 @@
 - Added `add_ref_termset`, updated helper methods for `HERD`, revised `add_ref` to support validations prior to populating the tables
   and added `add_ref_container`.  @mavaylon1 [#968](https://github.com/hdmf-dev/hdmf/pull/968)
 - Use `stacklevel` in most warnings. @rly [#1027](https://github.com/hdmf-dev/hdmf/pull/1027)
-- Fixed broken links in documentation. @stephprince [#1031](https://github.com/hdmf-dev/hdmf/pull/1031)
+- Fixed broken links in documentation and added internal link checking to workflows. @stephprince [#1031](https://github.com/hdmf-dev/hdmf/pull/1031)
 
 ### Minor Improvements
 - Updated `__gather_columns` to ignore the order of bases when generating columns from the super class. @mavaylon1 [#991](https://github.com/hdmf-dev/hdmf/pull/991)