diff --git a/README.md b/README.md
index 4086a827..d70e865f 100644
--- a/README.md
+++ b/README.md
@@ -85,13 +85,13 @@ yarn install
 
 git checkout -b newAwesomeFeature
 vim ./src/js/git/index.js # some changes
-grunt fastBuild # skips tests and linting, faster build
+yarn grunt fastBuild # skips tests and linting, faster build
 
 # after building you can open up your browser to the index.html
 # file generated and see your changes
 
 vim ./src/js/git/index.js # more changes
-grunt build # runs tests and lint
+yarn grunt build # runs tests and lint
 
 git commit -am "My new sweet feature!"
 git push