diff --git a/config.org b/config.org
index 34e8a76..31e91a0 100644
--- a/config.org
+++ b/config.org
@@ -484,6 +484,15 @@
      (setq org-habit-graph-column 42)
    #+end_src
 
+   Also it displays days that you did a habit in red if the habit was
+   overdue on that day, which makes a sort of sense, but always
+   showing days you did things in green makes more sense to me. The
+   variable [[help:org-habit-show-done-always-green][org-habit-show-done-always-green]] controls this.
+
+   #+begin_src emacs-lisp
+     (setq org-habit-show-done-always-green t)
+   #+end_src
+
 * Language Integrations
 ** Generic
    Generally, 8-character-wide tabs are not my thing.