[PATCH] Documentation: update description of shell aliases

Aliases that invoke shell commands start from the top-level directory,
but this was not documented.

Signed-off-by: Sitaram Chamarty <redacted>
---
 Documentation/config.txt |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 2fecbe3..bf97e1d 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt

@@ -456,7 +456,9 @@ If the alias expansion is prefixed with an

exclamation point,
 it will be treated as a shell command.  For example, defining
 "alias.new = !gitk --all --not ORIG_HEAD", the invocation
 "git new" is equivalent to running the shell command
-"gitk --all --not ORIG_HEAD".
+"gitk --all --not ORIG_HEAD".  Note that shell commands will be
+executed from the top-level directory of a repository, which may
+not necessarily be the current directory.

 apply.whitespace::
 	Tells 'git-apply' how to handle whitespaces, in the same way
-- 
1.6.3.3