diff --git a/webgl-renderables/Mesh.js b/webgl-renderables/Mesh.js
index ee7b4b25..2a3f98d9 100644
--- a/webgl-renderables/Mesh.js
+++ b/webgl-renderables/Mesh.js
@@ -287,8 +287,8 @@ Mesh.prototype.getNormals = function getNormals (materialExpression) {
  *
  * @method
  *
- * @param {MaterialExpression|Color} glossiness Accepts either a material expression or Color instance
- * @param {Number} strength Optional value for changing the strength of the glossiness
+ * @param {MaterialExpression|Number} glossiness Accepts either a material expression or a number setting its strength
+ * @param {Color} specularColor Optional value for being able to change the specular color for glossiness.
  *
  * @return {Mesh} Mesh
  */