Index: README.md
===================================================================
--- README.md	(revision cb405debde29e07493ff50e34983eddf09b185d1)
+++ README.md	(revision a7d1e5e6d512616d8c6055491bb5bd33b4e089df)
@@ -12,5 +12,7 @@
 pip3 install pygame
 pip3 install pyobjc
-pip3 install PyOpenGL
+pip3 install PyOpenGL PyOpenGL_accelerate
+# PyOpenGL_accelerate is needed on OSX, not sure if it's needed on
+# other platforms
 
 Run the game with:
