From b22eb247d4f8f96665fc3e6b8ba5d279acad2d98 Mon Sep 17 00:00:00 2001
From: Fabien Potencier <fabien.potencier@gmail.com>
Date: Wed, 20 Sep 2017 09:51:39 +0200
Subject: [PATCH] added a new validation rule

---
 README.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.rst b/README.rst
index 869d6f32..b3f672b5 100644
--- a/README.rst
+++ b/README.rst
@@ -315,6 +315,7 @@ the recipe:
 * All configuration file names under ``config`` should use the underscore notation;
 * No "semantically" empty configuration files are created under ``config/packages``;
 * All files are stored under a directory referenced by the "copy-from-recipe" section of "manifest.json";
+* The pull request does not contain merge commits;
 * The Symfony website must be referenced using HTTPs.
 
 Full Example