diff --git a/HISTORY.md b/HISTORY.md
index 71d5908..396cc19 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -6,6 +6,7 @@
     - Short-circuit to calling #instance_exec directly on the DSL object (prior to
       constructing a proxy object) when the DSL object and block context object are
       identical (*Sorry it took over a year to review and merge this!*)
+  - Renamed default branch from master to main, see: https://github.com/github/renaming
 
 ## [v1.3.5 (Jan 13, 2021)](http://github.com/ms-ati/docile/compare/v1.3.4...v1.3.5)