diff --git a/README.md b/README.md
index 091a70e..df2601e 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,12 @@ git clone --recursive -o figli https://figureslibres.io/gitea/bachir/docker-erab
 submodules :
 - https://figureslibres.io/gitea/bachir/drupal-erable
 
+## touch log file
+```
+touch log/nginx/error.log
+touch log/nginx/erable/error.log
+```
+
 ### setup /sites/default/settings.php
 
 ```