Fix code style

Author: zonuexe

lisp/php.el

@@ -674,7 +674,9 @@ Currently there are `php-mode' and `php-ts-mode'."
   "Return function signature and class name string for header line in topsy.
 
 You can add the function to topsy with the code below:
-    \(add-to-list 'topsy-mode-functions '\(php-mode . php-topsy-beginning-of-defun-with-class\)\)"
+
+    (add-to-list \\='topsy-mode-functions
+                 \\='(php-mode . php-topsy-beginning-of-defun-with-class))"
   (save-excursion
     (goto-char (window-start))
     (mapconcat