From d0c2f511446703b37f9d66526c96963acbc73032 Mon Sep 17 00:00:00 2001
From: Lucille Delisle <lucille.delisle@epfl.ch>
Date: Tue, 6 Oct 2020 14:02:28 +0200
Subject: [PATCH] add line if FAQ regarding hicmatrix14

---
 docs/content/faq.rst | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/docs/content/faq.rst b/docs/content/faq.rst
index 5795679a..9c19bc75 100644
--- a/docs/content/faq.rst
+++ b/docs/content/faq.rst
@@ -4,8 +4,8 @@ FAQ
 .. contents:: 
     :local:
 
-Why the scale of my Hi-C plot suddenly changed
-----------------------------------------------
+Why the scale of my Hi-C plot suddenly changed?
+-----------------------------------------------
 pyGenomeTracks is using `HiCMatrix <https://github.com/deeptools/HiCMatrix>`_ to read the matrix from ``h5`` and ``cool`` format.
 From version 12 to version 13, a normalization step when reading ``cool`` file was removed. This normalization was mostly used 
 when you were providing ``cool`` file from `cooler balance <https://cooler.readthedocs.io/en/latest/cli.html#cooler-balance>`_.
@@ -13,3 +13,8 @@ when you were providing ``cool`` file from `cooler balance <https://cooler.readt
 If you want to keep the old scale you need to downgrade to HiCMatrix version 12 but version 13 also correct some bugs so we advice
 to change your ``max_value`` in your parameter file to adjust to the new scale.
 
+My Hi-C plot looks like no correction was applied when using cool matrix
+------------------------------------------------------------------------
+pyGenomeTracks is using `HiCMatrix <https://github.com/deeptools/HiCMatrix>`_ to read the matrix from ``cool`` format.
+Unfortunately, a bug was introduced in version 14 ignoring the correction factors.
+This bug was fixed in version 15 so update HiCMatrix to last version should fix it.