diff --git a/Makefile b/Makefile
index b06972721..ed441e9d4 100644
--- a/Makefile
+++ b/Makefile
@@ -552,6 +552,7 @@ apihaddock: linkhledgerwebdir .haddockprologue
 	 $(HADDOCKLIBSOURCEFILES)
 
 # generate internal code docs for the whole project
+# XXX seems to need ln -s hledger/Hledger
 codehaddock: linkhledgerwebdir .haddockprologue
 	$(HADDOCK) --title "hledger internal code docs, all packages" \
 	 -o site/code-doc \