fixing README
fixing README

jjhoughton/glslViewer,dorald/glslViewer,jjhoughton/glslViewer,patriciogonzalezvivo/glslViewer,maxrelax/glslViewer,dorald/glslViewer,maxrelax/glslViewer,patriciogonzalezvivo/glslViewer,kevindeland/glslViewer,jjhoughton/glslViewer,kevindeland/glslViewer