add submodule startup thing to README

1 files changed, 2 insertions, 0 deletions

diff --git a/README.md b/README.md
index 87404ad1f..5cdff129b 100644
--- a/README.md
+++ b/README.md
@@ -20,11 +20,13 @@ If that fails, try this:
 
     git clone http://github.com/isaacs/npm.git
     cd npm
+    git submodule init --update
     sudo make install
 
 If you're sitting in the code folder reading this document in your
 terminal, then you've already got the code.  Just do:
 
+    git submodule init --update
     sudo make install
 
 and npm will install itself.