diff --git a/README.org b/README.org
index 5611fb5..34603fc 100644
--- a/README.org
+++ b/README.org
@@ -2621,7 +2621,7 @@ region becomes the block BODY.  Otherwise, insert an empty block."
         (end-of-line)))))
 
 (with-eval-after-load 'org
-    (keymap-set org-mode-map "C-c C-;" #'org-insert-source-block))
+  (keymap-set org-mode-map "C-c C-;" #'org-insert-source-block))
 #+end_src
 
 #+caption[Setup =org-src=]: