diff --git a/index.html b/index.html
index 2320afc..19d4053 100644
--- a/index.html
+++ b/index.html
@@ -157,7 +157,7 @@
         Positioning information is passed through data attributes.
         
         In the example below we only specify x and y position of the step element with `data-x="-1000"`
-        and `data-y="-1500` attributes. This means that **the center** of the element (yes, the center)
+        and `data-y="-1500"` attributes. This means that **the center** of the element (yes, the center)
         will be positioned in point x = -1000px and y = -1500px of the presentation 'canvas'.
         
         It will not be rotated or scaled.