diff --git a/src/libostree/ostree-repo-traverse.c b/src/libostree/ostree-repo-traverse.c
index 6638b6b4..dc8c135c 100644
--- a/src/libostree/ostree-repo-traverse.c
+++ b/src/libostree/ostree-repo-traverse.c
@@ -90,7 +90,7 @@ ostree_repo_commit_traverse_iter_init_commit (OstreeRepoCommitTraverseIter   *it
  * ostree_repo_commit_traverse_iter_init_dirtree:
  * @iter: An iter
  * @repo: A repo
- * @commit: Variant of type %OSTREE_OBJECT_TYPE_DIR_TREE
+ * @dirtree: Variant of type %OSTREE_OBJECT_TYPE_DIR_TREE
  * @flags: Flags
  * @error: Error
  *