diff --git a/pullrequest.rst b/pullrequest.rst
index 1a73854258..cdeab54b32 100644
--- a/pullrequest.rst
+++ b/pullrequest.rst
@@ -64,6 +64,10 @@ Step-by-step Guide
 You should have already :ref:`set up your system <setup>`,
 :ref:`got the source code <checkout>`, and :ref:`built Python <compiling>`.
 
+* Update data from your ``upstream`` repository::
+
+     git fetch upstream
+
 * Create a new branch in your local clone::
 
      git checkout -b <branch-name> upstream/master