diff --git a/manual/develop.rst b/manual/develop.rst
index 650ff6e2f6..057e3b8a9a 100644
--- a/manual/develop.rst
+++ b/manual/develop.rst
@@ -132,6 +132,7 @@ for inclusion into the main |app| repository:
   * In a Terminal do::
 
         git clone git@github.com:<username>/calibre.git
+        git remote add upstream https://github.com/kovidgoyal/calibre.git
 
     Replace <username> above with your github username. That will get your fork checked out locally.
   * You can make changes and commit them whenever you like. When you are ready to have your work merged, do a::