diff --git a/README-DEVELOPERS.md b/README-DEVELOPERS.md
index 7e0823f..c841f81 100644
--- a/README-DEVELOPERS.md
+++ b/README-DEVELOPERS.md
@@ -8,8 +8,7 @@ For using blosc2_grok you will first have to create and install its wheel.
 ```shell
 git clone https://github.com/Blosc/blosc2_grok.git
 cd blosc2_grok
-git submodule --init
-git submodule update
+git submodule update --init
 ```
 
 ## Create the wheel