MU for Debian installations
--- a/wp-admin/network.php
+++ b/wp-admin/network.php
@@ -372,17 +372,17 @@
 		<p><?php _e( 'Complete the following steps to enable the features for creating a network of sites.' ); ?></p>
 		<div class="updated inline"><p><?php
 			if ( file_exists( $home_path . '.htaccess' ) )
-				printf( __( '<strong>Caution:</strong> We recommend you back up your existing <code>wp-config.php</code> and <code>%s</code> files.' ), '.htaccess' );
+				printf( __( '<strong>Caution:</strong> We recommend you back up your existing <code>%s</code> and <code>%s</code> files.' ), DEBIAN_FILE, '/etc/wordpress/htaccess' );
 			elseif ( file_exists( $home_path . 'web.config' ) )
 				printf( __( '<strong>Caution:</strong> We recommend you back up your existing <code>wp-config.php</code> and <code>%s</code> files.' ), 'web.config' );
 			else
-				_e( '<strong>Caution:</strong> We recommend you back up your existing <code>wp-config.php</code> file.' );
+				printf( __( '<strong>Caution:</strong> We recommend you back up your existing <code>wp-config.php</code> and <code>%s</code> files.' ), 'web.config' );
 		?></p></div>
 <?php
 	}
 ?>
 		<ol>
-			<li><p><?php printf( __( 'Add the following to your <code>wp-config.php</code> file in <code>%s</code> <strong>above</strong> the line reading <code>/* That&#8217;s all, stop editing! Happy blogging. */</code>:' ), $location_of_wp_config ); ?></p>
+			<li><p><?php printf( __( 'Add the following to your <code>%s</code> file <strong>above</strong> the line reading <code>/* That&#8217;s all, stop editing! Happy blogging. */</code>:' ), DEBIAN_FILE ); ?></p>
 				<textarea class="code" readonly="readonly" cols="100" rows="7">
 define('MULTISITE', true);
 define('SUBDOMAIN_INSTALL', <?php echo $subdomain_install ? 'true' : 'false'; ?>);
@@ -414,7 +414,7 @@
 		$num_keys_salts = count( $keys_salts );
 ?>
 	<p><?php
-		echo _n( 'This unique authentication key is also missing from your <code>wp-config.php</code> file.', 'These unique authentication keys are also missing from your <code>wp-config.php</code> file.', $num_keys_salts ); ?> <?php _e( 'To make your installation more secure, you should also add:' ) ?></p>
+		printf( _n( 'This unique authentication key is also missing from your <code>%s</code> file.', 'These unique authentication keys are also missing from your <code>%s</code> file.', $num_keys_salts ), DEBIAN_FILE); ?> <?php _e( 'To make your installation more secure, you should also add:' ) ?></p>
 	<textarea class="code" readonly="readonly" cols="100" rows="<?php echo $num_keys_salts; ?>"><?php echo esc_textarea( $keys_salts_str ); ?></textarea>
 <?php
 	}