From 0ea3a17294f91b58923baab0573a390bc36ccaf7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20Mass=C3=A9?= <nicolas.masse@itix.fr>
Date: Mon, 25 Feb 2019 10:43:55 +0100
Subject: [PATCH] add theme update instructions

---
 README.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/README.md b/README.md
index 3fdb01c..e1519c6 100644
--- a/README.md
+++ b/README.md
@@ -52,3 +52,12 @@ Delete the old branch:
 ```sh
 git branch -d "$(date +%F)-update"
 ```
+
+## How to update the theme
+
+You can update a theme to the latest version by executing the following command in the root directory of your project:
+
+```
+git submodule update --rebase --remote
+```
+