diff --git a/collects/scribblings/reference/stx-ops.scrbl b/collects/scribblings/reference/stx-ops.scrbl
index 4969cd889f..3bce8c6399 100644
--- a/collects/scribblings/reference/stx-ops.scrbl
+++ b/collects/scribblings/reference/stx-ops.scrbl
@@ -145,13 +145,13 @@ needed to strip lexical and source-location information recursively.}
                                       (list/c any/c
                                               (or/c exact-positive-integer? #f)
                                               (or/c exact-nonnegative-integer? #f)
-                                              (or/c exact-nonnegative-integer? #f)
-                                              (or/c exact-positive-integer? #f))
+                                              (or/c exact-positive-integer? #f)
+                                              (or/c exact-nonnegative-integer? #f))
                                       (vector/c any/c
                                                (or/c exact-positive-integer? #f)
                                                (or/c exact-nonnegative-integer? #f)
-                                               (or/c exact-nonnegative-integer? #f)
-                                               (or/c exact-positive-integer? #f)))
+                                               (or/c exact-positive-integer? #f)
+                                               (or/c exact-nonnegative-integer? #f)))
                                 #f]
                         [prop (or/c syntax? #f) #f]
                         [cert (or/c syntax? #f) #f])