[PATCH]: Doc tweak for org-mode

[Eric Hanchrow]

This change makes the documentation match the actual behavior.

diff --git a/lisp/org/org.el b/lisp/org/org.el
index 2f9847e..3544cd9 100644
--- a/lisp/org/org.el
+++ b/lisp/org/org.el
@@ -8921,7 +8921,7 @@ This function is run automatically after each
state change to a DONE state."
   "Make a compact tree which shows all headlines marked with TODO.
 The tree will show the lines where the regexp matches, and all higher
 headlines above the match.
-With a \\[universal-argument] prefix, also show the DONE entries.
+With a \\[universal-argument] prefix, prompt for a regexp to match;
'TODO|DONE', e.g.
 With a numeric prefix N, construct a sparse tree for the Nth element
 of `org-todo-keywords-1'."
   (interactive "P")