(Directory Tracking): Explain a bit more about dirtrack-mode.

diff --git a/doc/emacs/misc.texi b/doc/emacs/misc.texi
index 82e48bfe13b1348b64ca8a27c9fa30d51aeec16e..6b9007fecf5cfeab03c884d352fcff4a486aa7b7 100644 (file)
--- a/doc/emacs/misc.texi
+++ b/doc/emacs/misc.texi
@@ -971,8 +971,9 @@ most common command syntax; it may not work for unusual shells.
 
 @findex dirtrack-mode
   You can also use @kbd{M-x dirtrack-mode} to enable (or disable) an
-alternative and more aggressive method of tracking changes in the
-current directory.
+alternative method of tracking changes in the current directory.  This
+method relies on your shell prompt containing the full current working
+directory at all times.
 
 @node Shell Options
 @subsection Shell Mode Options