Fixed a typo in the documentation.
--- a/physfs.h Thu Jul 25 23:22:29 2002 +0000
+++ b/physfs.h Fri Jul 26 06:18:02 2002 +0000
@@ -746,7 +746,7 @@
* \param appName Program-specific name of your program, to separate it
* from other programs using PhysicsFS.
*
- * \param archiveExt File extention used by your program to specify an
+ * \param archiveExt File extension used by your program to specify an
* archive. For example, Quake 3 uses "pk3", even though
* they are just zipfiles. Specify NULL to not dig out
* archives automatically. Do not specify the '.' char;