Fix a typo in Documentation/keys.txt

Signed-off-by: Satyam Sharma <satyam@infradead.org>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/Documentation/keys.txt b/Documentation/keys.txt
index 81d9aa0..947d57d 100644
--- a/Documentation/keys.txt
+++ b/Documentation/keys.txt
@@ -859,9 +859,8 @@
 	void unregister_key_type(struct key_type *type);
 
 
-Under some circumstances, it may be desirable to desirable to deal with a
-bundle of keys.  The facility provides access to the keyring type for managing
-such a bundle:
+Under some circumstances, it may be desirable to deal with a bundle of keys.
+The facility provides access to the keyring type for managing such a bundle:
 
 	struct key_type key_type_keyring;