diff --git a/collects/parser-tools/info.ss b/collects/parser-tools/info.ss
index bf8501d..8326e98 100644
--- a/collects/parser-tools/info.ss
+++ b/collects/parser-tools/info.ss
@@ -1,4 +1,5 @@
 
 (module info (lib "infotab.ss" "setup")
+  (define doc.txt "doc.txt")
   (define name "Parser-tools"))