update a bit of the documentation (#81)

* Revert "Update index.md (#80)"

This reverts commit 532ec78.

* Update index.md

* Update index.md

wiki/modding/stages/index.md

@@ -57,7 +57,8 @@ Other options include:
 - ``alpha`` is the "opacity" of the sprite
 - ``color`` tints the sprite in the color you set it to *(example <code class="hljs-string">#FF0000</code> will tint the sprite in full red)*
 - ``playOnCountdown`` tells the sprite whether or not to play it's animation during countdown or not.
--  ``beatOffset`` offsets animated sprite boping, and ``beatInterval`` sets animated sprites boping to a interval *(``(curBeat + beatOffset) % beatInterval`` similar to camera modulo)
+- ``beatOffset`` offsets which beat to play the sprite animation
+- ``beatInterval`` sets sprite's animation to play at a beat interval *(basically the amount of beats to skip + 1)*
 
 You can also define animations by giving it a child node called <syntax lang="xml">&lt;anim&gt;</syntax>. A sprite node with an animation node looks something like this:
 ```xml