From 4b16fa029f3259399821bed9995adaf86b92e88b Mon Sep 17 00:00:00 2001
From: zawz <zawz@hotmail.fr>
Date: Tue, 8 Jun 2021 16:25:20 +0200
Subject: [PATCH] add extension command doc

---
 README.md | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 718b72e..9b55bcf 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Extended shell linker for linking, processing and minifying shell code
 
 ### zpkg
 
-Available from the `zpkg` repository:
+Available from the [zpkg](https://github.com/zawwz/zpkg) repository:
 ```shell
 wget -qO- https://zpkg.zawz.net/install.sh | sh
 zpkg install lxsh
@@ -122,6 +122,11 @@ these features will continue working with undesired behavior.
 
 Array argument with `[@]` does not expand into the desired multiple arguments.
 
+## Extension commands
+
+If you use the `#!/usr/bin/lxsh` shebang, you can use special lxsh-defined commands.
+To list such commands, see `lxsh --help-extend-fcts`
+
 ## String processors
 
 You can use prefixes in singlequote strings to apply processing to the string contents. <br>