Fix some trivial typos

lisp/org-datetree.el

@@ -1,4 +1,4 @@
-;;; org-datetree.el --- Create Date entries in a tree
+;;; org-datetree.el --- Create date entries in a tree
 
 ;; Copyright (C) 2009 Free Software Foundation, Inc.
 

lisp/org-freemind.el

@@ -1128,5 +1128,4 @@ PATH should be a list of steps, where each step has the form
 
 ;; arch-tag: e7b0d776-94fd-404a-b35e-0f855fae3627
 
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;; org-freemind.el ends here

lisp/org-habit.el

@@ -1,7 +1,6 @@
 ;;; org-habit.el --- The habit tracking code for Org-mode
 
-;; Copyright (C) 2009
-;;   Free Software Foundation, Inc.
+;; Copyright (C) 2009 Free Software Foundation, Inc.
 
 ;; Author: John Wiegley <johnw at gnu dot org>
 ;; Keywords: outlines, hypermedia, calendar, wp