diff --git a/README.md b/README.md
index 727a48bd..2811ef65 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,13 @@ The `home` directory contains the files which will be copied to xxh home directo
 The [XDG](https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html) directory `.config` 
 will be copied to `$XDG_CONFIG_HOME` (default `/home/user/.xxh/.config`). Learn more about [home settings in docs](https://github.com/xxh/xxh/wiki#how-to-set-homeuser-as-home-on-host).
 
+## Note!
+The plugin copy files only once during first start. It copies the files from plugin home directory to the host xxh home direcotry 
+as addition and without replacing. It means if you hadn't the directory it will appear. If you have directory with files 
+but without the file from plugin home it just appears.
+
+Be carefully if you are using [non hermetic environment](https://github.com/xxh/xxh/wiki#how-to-set-homeuser-as-home-on-host) by using `+hhh '~' +hhx '~'` arguments.  
+
 ## Install
 From xxh repo:
 ```