[sheepdog] [PATCH 1/2] fix a typo

[yamamoto at valinux.co.jp]

From: YAMAMOTO Takashi <yamt at mwd.biglobe.ne.jp>

---
 doc/farm-internal.txt |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/farm-internal.txt b/doc/farm-internal.txt
index 4d1dd28..74fa547 100644
--- a/doc/farm-internal.txt
+++ b/doc/farm-internal.txt
@@ -7,7 +7,7 @@
 1.  OVERVIEW
 
 Farm is an object store for Sheepdog on node basis. It consists of backend
-store, which caches the snapshot objects, and working drrectory, storing
+store, which caches the snapshot objects, and working directory, storing
 objects that Sheepdog currently operates. That being said, the I/O performance
 for VM Guests would be practically the same as Simple Store.
 
-- 
1.7.10.4