diff --git a/collects/scribble/info.rkt b/collects/scribble/info.rkt
index 5d0130f0..d7c2e67a 100644
--- a/collects/scribble/info.rkt
+++ b/collects/scribble/info.rkt
@@ -7,3 +7,4 @@
 (define raco-commands
   '(("scribble" scribble/run "render a Scribble document" #f)))
 
+(define purpose "This collect contains the implementation of scribble.")
diff --git a/collects/scriblib/info.rkt b/collects/scriblib/info.rkt
new file mode 100644
index 00000000..69062dd5
--- /dev/null
+++ b/collects/scriblib/info.rkt
@@ -0,0 +1,3 @@
+#lang setup/infotab
+
+(define purpose "This collect contains auxiliary scribble libraries, they have their own documentation linked from the top level.")