Fix typo in 'blame' documentation.

Signed-off-by: Tim Stoakes <tim@stoakes.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/blame-options.txt b/Documentation/blame-options.txt
index ea1007b..c11bb7d 100644
--- a/Documentation/blame-options.txt
+++ b/Documentation/blame-options.txt
@@ -52,7 +52,7 @@
 	When <rev> is not specified, the command annotates the
 	changes starting backwards from the working tree copy.
 	This flag makes the command pretend as if the working
-	tree copy has the contents of he named file (specify
+	tree copy has the contents of the named file (specify
 	`-` to make the command read from the standard input).
 
 -M|<num>|::