Documentation: the name of the system is 'Git', not 'git'

Signed-off-by: Thomas Ackermann <th.acker@arcor.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/git-upload-pack.txt b/Documentation/git-upload-pack.txt
index 71f1608..0abc806 100644
--- a/Documentation/git-upload-pack.txt
+++ b/Documentation/git-upload-pack.txt
@@ -26,7 +26,7 @@
 -------
 
 --strict::
-	Do not try <directory>/.git/ if <directory> is no git directory.
+	Do not try <directory>/.git/ if <directory> is no Git directory.
 
 --timeout=<n>::
 	Interrupt transfer after <n> seconds of inactivity.