diff --git a/Makefile b/Makefile
index 582eae6..768966f 100644
--- a/Makefile
+++ b/Makefile
@@ -10,6 +10,8 @@ AWK=awk
 GREP=grep
 SORT=sort
 TEST=test
+CAT=cat
+TRBLDOC=trbldoc
 
 # Config
 worker_chroot = $(smr_var)/kore_worker
@@ -178,11 +180,11 @@ cov: $(built) ## code coverage (based on unit tests)
 	$(Q)$(ECHO) "open $(app_root)/luacov.report.out to view coverage results."
 
 $(sql_docs) : doc/schema/%.dot : src/sql/create_table_%.sql
-	cat $< | tools/doc_sql.sh > $@
+	$(Q)$(CAT) $< | tools/doc_sql.sh > $@
 
 doc: $(sql_docs)
-	rm -rf .trblcache
-	~/Programs/trbldoc/trbldoc.sh doc src README.md
-	cd .trblcache/built && python3 -m http.server
+	$(Q)$(RM) -rf .trblcache
+	$(Q)$(TRBLDOC) doc src README.md
+	# cd .trblcache/built && python3 -m http.server
 
 .PHONY: doc