diff --git a/readme.txt b/readme.txt
index 45e18d41..d456f022 100644
--- a/readme.txt
+++ b/readme.txt
@@ -78,6 +78,7 @@ Improvements:
 - Used std features within GLM without redeclaring
 - Optimized cot function #272
 - Optimized sign function #272
+- Added explicit cast from quat to mat3 and mat4 #275
 
 Fixes:
 - Fixed std::nextafter not supported with C++11 on Android #217