diff --git a/Makefile b/Makefile
index 540c861..b319eed 100644
--- a/Makefile
+++ b/Makefile
@@ -38,8 +38,8 @@ doc:
 	scribble  ++xref-in setup/xref load-collections-xref --redirect-main http://docs.racket-lang.org/ --dest generated-docs  --dest-name index.html scribblings/manual.scrbl
 
 
-cs19-doc:
-	scribble  ++xref-in setup/xref load-collections-xref --redirect-main http://docs.racket-lang.org/ --dest generated-docs  scribblings/cs19.scrbl
+cs019-doc:
+	scribble  ++xref-in setup/xref load-collections-xref --redirect-main http://docs.racket-lang.org/ --dest generated-docs  scribblings/cs019.scrbl
 
 
 
diff --git a/scribblings/cs19.scrbl b/scribblings/cs019.scrbl
similarity index 100%
rename from scribblings/cs19.scrbl
rename to scribblings/cs019.scrbl