Updated CHANGELOG.txt

diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index a3b8eed..a0a270c 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,5 +1,6 @@
 v1.39 (January 19, 2013)
 - Fixed stack overflow on pet battles
+- Fixed overlooked missing english locale

 v1.38 (January 18, 2013)
 - Fixed to work with ElvUI 5.26