diff --git a/index.html b/index.html
index c40a3f661c4be19cfcc3172683827f458822674f..f4d29e248f25ca11a1a1ab00a699992001f7c70a 100644
--- a/index.html
+++ b/index.html
@@ -46,7 +46,7 @@
             vec2 currentVelocity = texture2D(u_velocity, fragCoord/u_textureSize).xy;
 
             //implicitly solve advection
-
+            
             if (length(currentVelocity) == 0.0) {//no velocity
                 gl_FragColor = vec4(texture2D(u_material, fragCoord/u_textureSize).x, 0, 0, 0);
                 return;