Fix typo and target name

Author: jvazquez-r7

modules/exploits/linux/smtp/exim4_dovecot_exec.rb

@@ -20,7 +20,7 @@ def initialize(info = {})
 		super(update_info(info,
 			'Name'           => 'Exim And Dovecot Insecure Configuration Command Injection',
 			'Description'    => %q{
-					This module exploits a commnad injection vulnerability when using together
+					This module exploits a command injection vulnerability when using together
 				Exim and Dovecot with the use_shell option on the Exim configuration. This module
 				uses the sender address to inject the arbitrary commands, since is one of the
 				user-controlled variables used by default on example vulnerable configurations. The
@@ -49,7 +49,7 @@ module has been tested successfully on Debian Squeeze by using the default exim4
 				},
 			'Targets'        =>
 				[
-					[ 'Automatic', { }],
+					[ 'Linux x86', { }],
 				],
 			'DisclosureDate' => 'May 03 2013',
 			'DefaultTarget'  => 0))