diff --git a/README.org b/README.org
index ae1f6d2..b303f96 100644
--- a/README.org
+++ b/README.org
@@ -2524,8 +2524,7 @@ else:
 
 Set ~org-html-style-default~ option to add =HTML+CSS+JS= for ~mhtml-mode~:
 #+begin_src emacs-lisp -n :eval no-export :exports never :results silent
-(setopt org-html-style-default
-          "<style>
+(setopt org-html-style-default "<style>
   #content { max-width: 60em; margin: auto; }
   .title  { text-align: center;
              margin-bottom: .2em; }