diff --git a/Makefile b/Makefile
index 47e5fd1062c..3f196758fda 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 default:
-	@echo "Please see CONTRIBUTING.md for instructions on building HTML."
+	@echo "Please see CONTRIBUTING.md for instructions on  a building HTML."
 
 review: source
 	@./review-draft.sh