From 44c7a0348286ed993d7fba0cc6572e3cfe2b46c1 Mon Sep 17 00:00:00 2001
From: "robinwilliam.hundt" <robinwilliam.hundt@stud.uni-goettingen.de>
Date: Sat, 28 Oct 2017 23:18:59 +0200
Subject: [PATCH] Update README.rst Clarification concerning yarn. On some
 systems "yarn - scenario testing of Unix command line tools" is preinstalled.

---
 README.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.rst b/README.rst
index 2c74de50..d3fefeea 100644
--- a/README.rst
+++ b/README.rst
@@ -30,6 +30,9 @@ To set up a new instance perform the following steps:
     or alternatively with the make task::
 
      make install
+    
+    Some systems (like Ubuntu Xenial) come with a preinstalled  "yarn - scenario testing of Unix command line tools". Using this will **not** work. 
+    The [yarn package manager](https://yarnpkg.com/en/docs/install) is needed.
 
 #.  Set up a Postgres 9.5 database. If you have docker installed the easiest way is to just run it in a docker container, like this::
 
-- 
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