fixed typo in shader example Reayleigh -> Rayleigh
fixed typo in shader example Reayleigh -> Rayleigh

weddingdj/aframe,aframevr/aframe,darkwing/aframe,mkungla/aframe,aframevr/aframe,dmarcos/aframe,wizgrav/aframe,jaxmolina/ar,chenzlabs/aframe,jzitelli/aframe,googlecreativelab/aframe,wizgrav/aframe,dmarcos/aframe,ngokevin/aframe,darkwing/aframe,fernandojsg/aframe,jzitelli/aframe,fernandojsg/aframe,msimpson/aframe,RSpace/aframe,msimpson/aframe,googlecreativelab/aframe,chenzlabs/aframe,RSpace/aframe,ngokevin/aframe,mkungla/aframe,MatthewShotton/aframe,weddingdj/aframe,MatthewShotton/aframe,jaxmolina/ar