Updated CHANGELOG.txt

diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 44a5b67..74b6efb 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,7 +1,8 @@
-v1.17 (Unreleased)
+v1.17 (September 30, 2012)
 - Fixed Mount Search bug when skinning was disabled.
 - Fixed Background Panels & Pet Battle Bar having frame level issues.
 - Fixed left chat being to close to the edge of the frame.
+- Added ability to show/hide background panels during pet battles

 v1.16 (September 24, 2012)
 - Added Search Feature for Mount Window by p3lim