diff --git a/lisp/dirtrack.el b/lisp/dirtrack.el
index 5ae76f91316..e9bcab6e4e8 100644
--- a/lisp/dirtrack.el
+++ b/lisp/dirtrack.el
@@ -133,8 +133,8 @@
 (defcustom dirtrack-list (list "^emacs \\([a-zA-Z]:.*\\)>" 1)
   "*List for directory tracking.
 First item is a regexp that describes where to find the path in a prompt.
-Second is a number, the regexp group to match. Optional third item is
-whether the prompt is multi-line. If nil or omitted, prompt is assumed to
+Second is a number, the regexp group to match.  Optional third item is
+whether the prompt is multi-line.  If nil or omitted, prompt is assumed to
 be on a single line."
   :group 'dirtrack
   :type  '(sexp (regexp  :tag "Prompt Expression")