diff --git a/readme.md b/readme.md
index 913bdf58..1c5d124a 100644
--- a/readme.md
+++ b/readme.md
@@ -55,6 +55,7 @@ glm::mat4 camera(float Translate, glm::vec2 const& Rotate)
 ### [GLM 0.9.9.3](https://github.com/g-truc/glm/commits/master) - 2018-XX-XX
 #### Features:
 - Added equal and notEqual overload with max ULPs parameters for scalar numbers #121
+- Added constant time ULP distance between float #121
 - Added GLM_FORCE_SILENT_WARNINGS to silent GLM warnings when using language extensions but using W4 or Wpedantic warnings #814 #775
 
 ### [GLM 0.9.9.2](https://github.com/g-truc/glm/releases/tag/0.9.9.2) - 2018-09-14