Update rtextures.c

src/rtextures.c

@@ -1056,6 +1056,7 @@ Image GenImageChecked(int width, int height, int checksX, int checksY, Color col
 }
 
 // Generate image: white noise
+// NOTE: It requires GetRandomValue(), defined in [rcore]
 Image GenImageWhiteNoise(int width, int height, float factor)
 {
     Color *pixels = (Color *)RL_MALLOC(width*height*sizeof(Color));