diff --git a/glm/gtx/polar_coordinates.hpp b/glm/gtx/polar_coordinates.hpp
index 23e91af0..1cba486d 100644
--- a/glm/gtx/polar_coordinates.hpp
+++ b/glm/gtx/polar_coordinates.hpp
@@ -50,17 +50,19 @@ namespace glm
 	/// @addtogroup gtx_polar_coordinates
 	/// @{
 
-	//! Convert Euclidean to Polar coordinates, x is the xz distance, y, the latitude and z the longitude.
-	//! From GLM_GTX_polar_coordinates extension.
+	/// Convert Euclidean to Polar coordinates, x is the xz distance, y, the latitude and z the longitude.
+	///
+	/// @see gtx_polar_coordinates
 	template <typename T> 
 	detail::tvec3<T> polar(
 		detail::tvec3<T> const & euclidean);
 
-	//! Convert Polar to Euclidean coordinates.
-	//! From GLM_GTX_polar_coordinates extension.
+	/// Convert Polar to Euclidean coordinates.
+	///
+	/// @see gtx_polar_coordinates
 	template <typename T> 
 	detail::tvec3<T> euclidean(
-		detail::tvec3<T> const & polar);
+		detail::tvec2<T> const & polar);
 
 	/// @}
 }//namespace glm
diff --git a/glm/gtx/polar_coordinates.inl b/glm/gtx/polar_coordinates.inl
index 6d236efd..376a31ce 100644
--- a/glm/gtx/polar_coordinates.inl
+++ b/glm/gtx/polar_coordinates.inl
@@ -35,7 +35,7 @@ namespace glm
 	template <typename T> 
 	GLM_FUNC_QUALIFIER detail::tvec3<T> euclidean
 	(
-		detail::tvec3<T> const & polar
+		detail::tvec2<T> const & polar
 	)
 	{
 #ifdef GLM_FORCE_RADIANS