diff --git a/include/config.h b/include/config.h
index 508d769e..bfee81f4 100644
--- a/include/config.h
+++ b/include/config.h
@@ -122,8 +122,9 @@
 #define EXIT_COURSE_NODE 0x1F
 
 // OTHER ENHANCEMENTS
-//Skybox size modifier, changing this will add support for larger skybox images. NOTE: Vanilla skyboxes may break if you change this option. Be sure to rescale them accordingly.
-//Whenever you change this, make sure to run "make -C tools clean" to rebuild the skybox tool (alternatively go into skyconv.c and change the file in any way (like adding/deleting a space) to specifically rebuild that tool).
+// Skybox size modifier, changing this will add support for larger skybox images. NOTE: Vanilla skyboxes may break if you change this option. Be sure to rescale them accordingly.
+// Whenever you change this, make sure to run "make -C tools clean" to rebuild the skybox tool (alternatively go into skyconv.c and change the file in any way (like adding/deleting a space) to specifically rebuild that tool).
+// When increasing this, you should probably also increase the GFX pool size. (the GFX_POOL_SIZE define in src/game/game_init.h)
 #define SKYBOX_SIZE 1
 
 // If you want to change the extended boundaries mode, go to engine/extended_bounds.h and change EXTENDED_BOUNDS_MODE