From dae2a457108eb18403da0a736b7c0ce9a7abc456 Mon Sep 17 00:00:00 2001
From: Shy <shy@posteo.de>
Date: Mon, 26 Aug 2024 10:33:47 +0200
Subject: [PATCH] Update usage and mention required lua version

---
 README.md | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 13776c7..2d0a903 100644
--- a/README.md
+++ b/README.md
@@ -2,14 +2,17 @@
 
 ## Requirements
 
-* lua
+* lua >= 5.3
 * curl
 * sed
 * date
 
 ## Usage
 
-    c4mate [-u <user>] [ <query> | -b <id> | -l | +/-<amount> | -g <amount> <user> [<reason>]]
+If no username is given via the "-u" command line flag, c4mate will use the
+value of the $USER environment variable as username.
+
+    Usage: c4mate [-u <user>] [ <query> | -b <id> | -l | +/-<amount> | -g <amount> <user> [<reason>]]
     Display current balance:
         c4mate
     Find and buy item (interactive):