diff --git a/jquery.sketchable.animate.js b/jquery.sketchable.animate.js
index 8f28f04..d89a091 100644
--- a/jquery.sketchable.animate.js
+++ b/jquery.sketchable.animate.js
@@ -156,6 +156,9 @@
          *     animationstart: function(elem, data) {
          *       // Animation started.
          *     },
+         *     animationstep: function(elem, data) {
+         *       // Animation steped: a new stroke is being drawn.
+         *     },
          *     animationend: function(elem, data) {
          *       // Animation ended.
          *     },
diff --git a/sketchable.animate.js b/sketchable.animate.js
index 9b79b49..9621367 100644
--- a/sketchable.animate.js
+++ b/sketchable.animate.js
@@ -158,6 +158,9 @@
          *     animationstart: function(elem, data) {
          *       // Animation started.
          *     },
+         *     animationstep: function(elem, data) {
+         *       // Animation steped: a new stroke is being drawn.
+         *     },
          *     animationend: function(elem, data) {
          *       // Animation ended.
          *     },