diff --git a/README.md b/README.md
index 97d5231..13c0021 100644
--- a/README.md
+++ b/README.md
@@ -1,21 +1,24 @@
 # wled.sh
 
-Simple shell script to turn predefined wled instances on/off, change brightness
-and switch presets.
-
-Requires *curl* version 7.82.0 or newer.
+Turn WLED installations in the C4 hackspace on/off, change brightness or switch
+between presets.
 
 ## Usage
 
 Switch on/off:
 
-`wled f(nordcenter)|w(ohnzimmer) on|off`
+`$ wled -f(nordcenter)|-w(wohnzimmer) on|off`
 
 Switch between presets 1 to 17 or list available presets:
 
-`wled f(nordcenter)|w(ohnzimmer) 1-17|l(ist)`
+`$ wled -f|-w 1-17|l`
 
 Change brightness:
 
-`wled f(nordcenter)|w(ohnzimmer) b(rightness) 1-255`
+`$ wled -f|-w -b 1-255`
+
+## Requirements
+
+*curl* version 7.82.0 or newer.
+You have to be connected to the local network.
 
diff --git a/wled b/wled
index 5493e9e..344f299 100755
--- a/wled
+++ b/wled
@@ -1,17 +1,18 @@
 #!/bin/sh
 #
-# Simpel command line tool to turn predefined wled instances on/off or switch
-# presets.
+# Turn WLED installations in the C4 hackspace on/off, change brightness or
+# switch between presets.
 #
 # Author: Shy
 # License: CC0
 
+NAME="wled.sh"
 COMMAND="wled"
 VERSION="0.0.1"
 
 print_usage() {
     echo "\
-Usage: $COMMAND -f|-w [on|off]
+Usage: $COMMAND -f(norcenter)|-w(wohnzimmer) [on|off]
        $COMMAND -f|-w [1-17|list]
        $COMMAND -f|-w -b [1-255]"
 }
@@ -41,7 +42,7 @@ case "$1" in
         exit 0
     ;;
     -v|--version)
-        echo "wled.sh version $VERSION"
+        echo "$NAME version $VERSION"
         exit 0
     ;;
     -f|--fnordcenter)