diff --git a/HISTORY.txt b/HISTORY.txt
index eeedda3..827e12c 100644
--- a/HISTORY.txt
+++ b/HISTORY.txt
@@ -3,8 +3,9 @@ Simple x264/x265 Launcher version history
 ----------------------------------------- 
 
 Version 2.50 [2015-MM-DD]
-* Improved VapourSynth detection code
-* Added option to prefer 64-Bit VapourSynth, if available
+* Much improved Avisynth and VapourSynth detection code
+* Added option to prefer 64-Bit VapourSynth, when available
+* Updated x265 to version 1.5+129
  
 Version 2.46 [2015-01-31]
 * Updated x265 to version 1.4+424