fix typo in comment
diff --git a/got/got.c b/got/got.c
index 9da47c9..b0e757b 100644
--- a/got/got.c
+++ b/got/got.c
@@ -314,7 +314,7 @@ check_linear_ancestry(struct got_object_id *commit_id,
* Require a straight line of history between the target commit
* and the work tree's base commit.
*
- * Non-linear situation such as the this require a rebase:
+ * Non-linear situations such as this require a rebase:
*
* (commit) D F (base_commit)
* \ /