diff --git a/README.md b/README.md
index 80b0f882cab5407ff5a073a1343997cacaae88a5..687b39c2e21c6858f53a89931349f8bd9560bdd3 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,8 @@ again.
 
 ## Building Instructions
 
-Run `make` to build the full development.
+Run `make -jN` to build the full development, where `N` is the number of your
+CPU cores.
 
 ## Structure