diff --git a/collects/scribblings/mzc/api.scrbl b/collects/scribblings/mzc/api.scrbl
index f342bd09eb..c6dc2c6822 100644
--- a/collects/scribblings/mzc/api.scrbl
+++ b/collects/scribblings/mzc/api.scrbl
@@ -359,7 +359,7 @@ The unit imports @scheme[compiler:option^], @scheme[dynext:compile^],
 
 @defmodule[compiler/option-unit]
 
-@defthing[option@ unit?]{
+@defthing[compiler:option@ unit?]{
 
 Provides the exports of @schememodname[compiler/option] in unit
 form. It imports no signatures, and exports