diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
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@@ -39,6 +39,7 @@
 **[Reported Bugs](https://github.com/Semantic-Org/Semantic-UI/issues?q=is%3Aissue+milestone%3A2.1.0+is%3Aclosed)**
 - **Accordion** - Added missing notation for accordion docs #2812
 - **Build Tools** - Fixes issue where component glob `{tab, table}` caused table to be included twice in concatenated source **
+- **Button** - Fixes inverted button missing an `active` and `active focus` state #2635
 - **Checkbox** - Clicking a link inside an initialized checkbox `label` will now work correctly, and will not toggle the checkbox. #2804
 - **Container** - Fix issue with `fluid container` being `100% + gutter` at mobile resolution (causing overflow)
 - **Dropdown** - `forceSelection` no longer sets current value in search selection when current query is blank #2058