Index: wp-admin/network/site-new.php
===================================================================
--- wp-admin/network/site-new.php	(revision 36734)
+++ wp-admin/network/site-new.php	(working copy)
@@ -49,7 +49,13 @@
 		$subdirectory_reserved_names = get_subdirectory_reserved_names();
 
 		if ( in_array( $domain, $subdirectory_reserved_names ) ) {
-			wp_die( sprintf( __( 'The following words are reserved for use by WordPress functions and cannot be used as blog names: <code>%s</code>' ), implode( '</code>, <code>', $subdirectory_reserved_names ) ) );
+			wp_die(
+				sprintf(
+					/* translators: %s: reserved names list */
+					__( 'The following words are reserved for use by WordPress functions and cannot be used as blog names: %s' ),
+					'<code>' . implode( '</code>, <code>', $subdirectory_reserved_names ) . '</code>'
+				)
+			);
 		}
 	}