From d14d14b52faa769db132760b774e5ad51a2c9f0f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20=C4=8Ciha=C5=99?= <michal@cihar.com>
Date: Wed, 27 Apr 2016 11:28:29 +0200
Subject: [PATCH] Document prerequisite
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Signed-off-by: Michal Čihař <michal@cihar.com>
---
 doc/transformations.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/doc/transformations.rst b/doc/transformations.rst
index 83533a5271..f72df8abfa 100644
--- a/doc/transformations.rst
+++ b/doc/transformations.rst
@@ -3,6 +3,11 @@
 Transformations
 ===============
 
+.. note:: 
+
+    You need to have configured the :ref:`linked-tables` for using transformations
+    feature.
+
 .. _transformationsintro:
 
 Introduction