Conjugate "search" correctly in the git-prune-packed man page.

Signed-off-by: Matt Kraai <kraai@ftbfs.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/git-prune-packed.txt b/Documentation/git-prune-packed.txt
index 3800edb..9f85f38 100644
--- a/Documentation/git-prune-packed.txt
+++ b/Documentation/git-prune-packed.txt
@@ -13,7 +13,7 @@
 
 DESCRIPTION
 -----------
-This program search the `$GIT_OBJECT_DIR` for all objects that currently
+This program searches the `$GIT_OBJECT_DIR` for all objects that currently
 exist in a pack file as well as the independent object directories.
 
 All such extra objects are removed.