add clean: target

diff --git a/docs/PostgreSQL-FAQ/Makefile b/docs/PostgreSQL-FAQ/Makefile
index 810b507..b856a25 100644 (file)
--- a/docs/PostgreSQL-FAQ/Makefile
+++ b/docs/PostgreSQL-FAQ/Makefile
@@ -14,3 +14,6 @@ $(WORK_TEXT)/$(BASENAME).txt: $(BASENAME).txt
        mkdir -p $(@D)
        $(INSTALL) $< $@
        touch $(LAST_MODIFIED)
+
+clean:
+       @echo text is supplied from upstream