Index: uspace/lib/c/generic/vfs/vfs.c
===================================================================
--- uspace/lib/c/generic/vfs/vfs.c	(revision 01900b629bbf57a290cd30c16fdaa744836c4c32)
+++ uspace/lib/c/generic/vfs/vfs.c	(revision b067800b6fc581f37f74df8957e2ffa24cebf59b)
@@ -1259,5 +1259,9 @@
  *
  * @param parent        File handle of the parent node where the walk starts
- * @param path          Parent-relative path to be walked
+ * @param path          Parent-relative absolute path to be walked (an
+ *                      absolute path with the parent being the root).
+ *                      If /foo is parent and path is "/bar/baz", the
+ *                      result would be /foo/bar/baz. Just "bar/baz" is
+ *                      not valid.
  * @param flags         Flags influencing the walk
  * @param[out] handle   File handle representing the result on success.