--- a/physfs.h	Sun Jul 08 10:58:10 2001 +0000
+++ b/physfs.h	Sun Jul 08 13:57:28 2001 +0000
@@ -200,6 +200,9 @@
  * Initialize PhysicsFS. This must be called before any other PhysicsFS
  *  function.
  *
+ * This should be called prior to any attempts to change your process's
+ *  current working directory.
+ *
  *   @param argv0 the argv[0] string passed to your program's mainline.
  *  @return nonzero on success, zero on error. Specifics of the error can be
  *          gleaned from PHYSFS_getLastError().