diff --git a/collects/unstable/scribblings/logging.scrbl b/collects/unstable/scribblings/logging.scrbl
index b7d23502f4..d2728e1394 100644
--- a/collects/unstable/scribblings/logging.scrbl
+++ b/collects/unstable/scribblings/logging.scrbl
@@ -77,9 +77,10 @@ A lower-level interface to logging is also available.
                              (or/c symbol? #f)))]]]{
 
 @racket[start-recording] starts recording log messages matching the given
-@racket[log-spec]. Messages will be recorded until stopped by passing the
-returned listener object to @racket[stop-recording]. @racket[stop-recording]
-will then return a list of the log messages that have been reported.
+@racket[log-spec] (see @racket[make-log-receiver] for how @racket[log-spec] is
+interpreted). Messages will be recorded until stopped by passing the returned
+listener object to @racket[stop-recording]. @racket[stop-recording] will then
+return a list of the log messages that have been reported.
 
 @defexamples[
 #:eval the-eval