Index: docs/Phabricator.rst
===================================================================
--- docs/Phabricator.rst
+++ docs/Phabricator.rst
@@ -65,7 +65,8 @@
 * Click *Differential*.
 * Click *+ Create Diff*.
 * Paste the text diff or browse to the patch file. Click *Create Diff*.
-* Leave the Repository field blank.
+* In the Repository field, enter the name of the project (LLVM, Clang,
+  etc.) to which the review should be sent.
 * Leave the drop down on *Create a new Revision...* and click *Continue*.
 * Enter a descriptive title and summary.  The title and summary are usually
   in the form of a :ref:`commit message <commit messages>`.