diff --git a/CHANGELOG.md b/CHANGELOG.md
index 880c7e9..4998da2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@ Changelog
 
 # 13.1.1
 
-- found the real reason for massive state size - `activity.leave` messages where not acked by process execution. Doh!
+- found the real reason for massive state size - `activity.leave` messages were not acked by process execution. Doh!
 
 # 13.1.0