diff --git a/doc/ck_hs_move b/doc/ck_hs_move
index 89a17b7..2b6b1b4 100644
--- a/doc/ck_hs_move
+++ b/doc/ck_hs_move
@@ -51,9 +51,9 @@ and the allocator callbacks to
 Further modifications to
 .Fa source
 will result in undefined behavior. Concurrent
-.Fn ck_hs_get 3
+.Xr ck_hs_get 3
 and
-.Fn ck_hs_fas 3
+.Xr ck_hs_fas 3
 operations to
 .Fa source
 are legal until the next write operation to