Updated readme for GLM 0.9.7 release

readme.md

@@ -51,8 +51,7 @@ glm::mat4 camera(float Translate, glm::vec2 const & Rotate)
 
 ## Release notes
 
-#### [GLM 0.9.7.5](https://github.com/g-truc/glm/tree/0.9.7) - 2016-0X-XX
-
+#### [GLM 0.9.7.5](https://github.com/g-truc/glm/releases/tag/0.9.7.5) - 2016-05-24
 ##### Improvements:
 - Added Visual C++ Clang toolset detection