diff --git a/readme.md b/readme.md
index 78c40184..02fa4cea 100644
--- a/readme.md
+++ b/readme.md
@@ -79,6 +79,7 @@ glm::mat4 camera(float Translate, glm::vec2 const & Rotate)
 - Fixed polar coordinates function latitude #485
 - Fixed outerProduct defintions and operator signatures for mat2x4 and vec4 #475
 - Fixed eulerAngles precision error, returns NaN  #451
+- Fixed undefined reference errors #489
 
 #### [GLM 0.9.7.3](https://github.com/g-truc/glm/releases/tag/0.9.7.3) - 2016-02-21
 ##### Improvements: