diff --git a/scribblings/cs019.scrbl b/scribblings/cs019.scrbl
index dc09b65..e0cb70a 100644
--- a/scribblings/cs019.scrbl
+++ b/scribblings/cs019.scrbl
@@ -32,7 +32,8 @@
                                 symbol? symbol=?
                                 current-output-port
                                 lambda
-                                true false)))
+                                true false
+                                ...)))
 
 @(define-runtime-path whalesong-path "..")
 
diff --git a/scribblings/manual.scrbl b/scribblings/manual.scrbl
index b4aed56..81f2eb4 100644
--- a/scribblings/manual.scrbl
+++ b/scribblings/manual.scrbl
@@ -29,7 +29,8 @@
                                 number?
                                 newline
                                 current-output-port
-                                display))
+                                display
+                                ...))
           (for-label (this-package-in resource)
           (for-label (this-package-in web-world))))