Fix typo in README

Signed-off-by: 林博仁(Buo-ren, Lin) <Buo.Ren.Lin@gmail.com>

README.md

@@ -121,6 +121,6 @@ SEE ALSO
 In former times there was was a patch for [util-linux](https://github.com/karelzak/util-linux) and some shell scripts here to implement a auditshell.
 (you can find this at tag [before-auditshell-removal](https://github.com/scoopex/scriptreplay_ng/releases/tag/before-auditshell-removal))
 
-There is a new attemt to implement this by using the [apparmor security framework](http://wiki.apparmor.net/index.php/Main_Page).
+There is a new attempt to implement this by using the [apparmor security framework](http://wiki.apparmor.net/index.php/Main_Page).
 Review the [Bastion Host GitHub Project](https://github.com/scoopex/puppet-bastion_host) which utilizes the "scriptreplay" implementation of this repository.