diff -Naur camldbm-1.0/Makefile camldbm-1.0-api-doc/Makefile
--- camldbm-1.0/Makefile	2011-11-22 16:56:49.000000000 +0100
+++ camldbm-1.0-api-doc/Makefile	2013-09-22 17:08:41.029920767 +0200
@@ -18,6 +18,10 @@
 OCAMLMKLIB=ocamlmklib
 OCAMLDEP=ocamldep
 OCAMLRUN=ocamlrun
+OCAMLDOC=ocamldoc
+DOCDIR=api-doc
+DOCPRM=-html
+MKDIR=mkdir
 O=o
 A=a
 SO=so
@@ -65,6 +69,10 @@
 	cd $(LIBDIR) && ranlib dbm.$(A)
 	if test -f dbm.cmxs; then cp dbm.cmxs $(LIBDIR)/; fi
 
+doc::
+	$(MKDIR) -p $(DOCDIR)
+	$(OCAMLDOC) -d $(DOCDIR) $(DOCPRM) dbm.mli
+
 clean::
 	rm -f *.cm* *.$(O) *.$(A) *.$(SO)