From e0e2e400df8e9e11fa4cc03afae13f3cee3f0e69 Mon Sep 17 00:00:00 2001
From: Francisco Molina <femolina@uc.cl>
Date: Wed, 5 Feb 2020 10:04:35 +0100
Subject: [PATCH] README: fix submodule initialization

---
 README.md | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5909c83ddf..e5c6ac6e92 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,15 @@ cd applications
 RIOTBASE="../RIOT" BOARD=samr21-xpro make -C sniffer flash
 ```
 
-Alternatively, you can step into the submodule and check out the current master:
+Alternatively you can use RIOT as a submodule. To initialize the submodule, from the
+root of the repository run:
+
+```sh
+git submodule update --init --recursive
+```
+
+If you want to use master then simply step into the submodule and checkout master or
+any other desired branch.
 
 ```sh
 cd RIOT