diff --git a/README.md b/README.md
index 2d0a903..13776c7 100644
--- a/README.md
+++ b/README.md
@@ -2,17 +2,14 @@
 
 ## Requirements
 
-* lua >= 5.3
+* lua
 * curl
 * sed
 * date
 
 ## Usage
 
-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>]]
+    c4mate [-u <user>] [ <query> | -b <id> | -l | +/-<amount> | -g <amount> <user> [<reason>]]
     Display current balance:
         c4mate
     Find and buy item (interactive):
diff --git a/c4mate b/c4mate
index c229b01..7c746f7 100755
--- a/c4mate
+++ b/c4mate
@@ -189,8 +189,8 @@ function MatePad:print_log(log)
         event = log[i]
         if event.method == "buy" or event.method == "recharge" then
             print(string.format(
-                "[%s] Bought %s (#%d)",
-                event.time, event.name, event.parameter
+                "[%s] Bought %s",
+                event.time, event.name
             ))
         elseif event.method == "set_balance" then
             print(string.format(