diff --git a/src/core/math/Matrix.js b/src/core/math/Matrix.js
index d0f53d4..92e6a21 100644
--- a/src/core/math/Matrix.js
+++ b/src/core/math/Matrix.js
@@ -3,8 +3,8 @@
 /**
  * The PixiJS Matrix class as an object, which makes it a lot faster,
  * here is a representation of it :
- * | a | b | tx|
- * | c | d | ty|
+ * | a | c | tx|
+ * | b | d | ty|
  * | 0 | 0 | 1 |
  *
  * @class
@@ -14,8 +14,8 @@
 {
     /**
      * @param {number} [a=1] - x scale
-     * @param {number} [b=0] - y skew
-     * @param {number} [c=0] - x skew
+     * @param {number} [b=0] - x skew
+     * @param {number} [c=0] - y skew
      * @param {number} [d=1] - y scale
      * @param {number} [tx=0] - x translation
      * @param {number} [ty=0] - y translation