updated changelog one more

readme.txt

@@ -152,6 +152,7 @@ Bug #619: certain moss hanging from tree has rendering bug
 Bug #621: Batching bloodmoon's trees
 Bug #623: NiMaterialProperty alpha unhandled
 Bug #628: Launcher in latest master crashes the game
+Bug #633: Crash on startup: Better Heads
 Feature #29: Allow ESPs and multiple ESMs
 Feature #94: Finish class selection-dialogue
 Feature #149: Texture Alphas