diff --git a/Makefile b/Makefile
index 1484ee78ef5f82cb80a454451d9dd423ad6ee063..ed62f7859d0ce7b80109f74ea179ec2faba3b6a0 100644
--- a/Makefile
+++ b/Makefile
@@ -27,6 +27,7 @@ copy-packages:
 	docker cp testcenter-frontend-dev:/app/node_modules/. node_modules
 
 # Use parameter packages=<package-name> to install new package
+# Otherwise it installs the packages defined in package.json
 # Example: make install-package packages="leftpad babel"
 install-package:
 	docker exec testcenter-frontend-dev npm install $(packages)