Contribute code instructions to use "hg codereview-login" did not work for me. I had to use

"hg code-login".

R=r, rsc
http://go/go-review/1024012

doc/contribute.html

@@ -250,7 +250,7 @@ you can use it to sign in to the code review server.)
 
 <pre>
 $ cd $GOROOT
-$ hg codereview-login
+$ hg code-login
 Email (login for uploading to codereview.appspot.com): rsc@golang.org
 Password for rsc@golang.org: