Update matrix_decompose.hpp

Changed documentation to show correct include file.

glm/gtx/matrix_decompose.hpp

@@ -36,7 +36,7 @@
 /// 
 /// @brief Decomposes a model matrix to translations, rotation and scale components
 /// 
-/// <glm/gtx/decomposition.hpp> need to be included to use these functionalities.
+/// <glm/gtx/matrix_decompose.hpp> need to be included to use these functionalities.
 ///////////////////////////////////////////////////////////////////////////////////
 
 #pragma once