README: Use remote.origin.url to avoid loosing write access and save some typing.

diff --git a/README b/README
index be8d5b2ac9c1330ea5204dce17e49d3b7578837b..a68804006fed1e471d10513bc866de45c1b7c40e 100644 (file)
--- a/README
+++ b/README
@@ -102,7 +102,7 @@ You can check out a specific external PACKAGE into the `packages'
 directory with these commands:
 
    cd packages
-   git clone --reference .. --single-branch --branch externals/PACKAGE git://git.sv.gnu.org/srv/git/emacs/elpa PACKAGE
+   git clone --reference .. --single-branch --branch externals/PACKAGE $(git config remote.origin.url) PACKAGE
 
 If you already have a packages/PACKAGE directory with a previous
 checkout, you can update it like this: