diff --git a/gsk/gskpathbuilder.c b/gsk/gskpathbuilder.c
index 82af89db0c..881b921923 100644
--- a/gsk/gskpathbuilder.c
+++ b/gsk/gskpathbuilder.c
@@ -387,6 +387,7 @@ gsk_path_builder_add_reverse_path (GskPathBuilder *self,
 /**
  * gsk_path_builder_add_cairo_path:
  * @self: a `GskPathBuilder`
+ * @path: a path
  *
  * Adds a Cairo path to the builder.
  *