diff --git a/Makefile b/Makefile
index 8afe6f5..23f6898 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,7 @@ $(pdfs): %.pdf: %.md
 	pandoc -t beamer -V theme:Warsaw -i $< -o $@
 
 .PHONY: show
-show: $(pdfs) ## Generate all pdfs
+show: $(pdfs) ## Generate all pdfs (try `make -j 4 pdfs`)
 
 .PHONY: clean
 clean: ## Delete all pdfs