nfsd: Fix two typos in comments

(espect -> expect) and (no -> know)

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4acl.c b/fs/nfsd/nfs4acl.c
index 4b939b0..6adabd6 100644
--- a/fs/nfsd/nfs4acl.c
+++ b/fs/nfsd/nfs4acl.c
@@ -102,7 +102,7 @@
 /* We only map from NFSv4 to POSIX ACLs when setting ACLs, when we err on the
  * side of being more restrictive, so the mode bit mapping below is
  * pessimistic.  An optimistic version would be needed to handle DENY's,
- * but we espect to coalesce all ALLOWs and DENYs before mapping to mode
+ * but we expect to coalesce all ALLOWs and DENYs before mapping to mode
  * bits. */
 
 static void
@@ -460,7 +460,7 @@
 	state->empty = 1;
 	/*
 	 * In the worst case, each individual acl could be for a distinct
-	 * named user or group, but we don't no which, so we allocate
+	 * named user or group, but we don't know which, so we allocate
 	 * enough space for either:
 	 */
 	alloc = sizeof(struct posix_ace_state_array)