Merge pull request #336 from digininja/master

fixed typo

config/config.inc.php.dist

@@ -30,7 +30,7 @@ $_DVWA[ 'recaptcha_public_key' ]  = '';
 $_DVWA[ 'recaptcha_private_key' ] = '';
 
 # Default security level
-#   Default value for the secuirty level with each session.
+#   Default value for the security level with each session.
 #   The default is 'impossible'. You may wish to set this to either 'low', 'medium', 'high' or impossible'.
 $_DVWA[ 'default_security_level' ] = 'impossible';