[PATCH v2] git-checkout.txt: Document "git checkout <pathspec>" better

["Torsten Bögershausen" <tboegi@web.de>]

git checkout <pathspec> can be used to reset changes in the working tree.

Signed-off-by: Torsten Bögershausen <tboegi@web.de>
---
Version 2: Try to summarize the suggestions from the mailing list
 Documentation/git-checkout.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/git-checkout.txt b/Documentation/git-checkout.txt
index d263a56..39ad36f 100644
--- a/Documentation/git-checkout.txt
+++ b/Documentation/git-checkout.txt
@@ -3,7 +3,7 @@ git-checkout(1)
  NAME
 ----
-git-checkout - Checkout a branch or paths to the working tree
+git-checkout - Switch branches or restore changes
  SYNOPSIS
 --------
@@ -89,6 +89,10 @@ Omitting <branch> detaches HEAD at the tip of the current branch.
 	(i.e.  commit, tag or tree) to update the index for the given
 	paths before updating the working tree.
 +
+'git checkout' with <paths> or `--patch` is used to restore modified or
+deleted paths to their original contents from the index or replace paths
+with the contents from a named <tree-ish> (most often a commit-ish).
++
 The index may contain unmerged entries because of a previous failed merge.
 By default, if you try to check out such an entry from the index, the
 checkout operation will fail and nothing will be checked out.
-- 
2.2.0.rc1.790.ge19fcd2