diff --git a/glm/gtx/rotate_vector.hpp b/glm/gtx/rotate_vector.hpp
index a8835f31..3ca57fa0 100644
--- a/glm/gtx/rotate_vector.hpp
+++ b/glm/gtx/rotate_vector.hpp
@@ -51,7 +51,7 @@ namespace glm
 	/// @addtogroup gtx_rotate_vector
 	/// @{
 
-	/// Returns the length of the quaternion.
+	/// Returns Spherical interpolation between two vectors
 	/// 
 	/// @param x A first vector
 	/// @param y A second vector