diff --git a/src/amcli.php b/src/amcli.php
index 769a9037a6363bf56f99dba4a9987f120887c0c2..c053f0e4c532bcd26ec3a3fc958b403cb2778319 100755
--- a/src/amcli.php
+++ b/src/amcli.php
@@ -10,6 +10,7 @@
  * 2025-03-04  v0.1    Initial version
  * 2025-03-05  v0.2    slack notification as hash from ini; check params can be an hash value or JSON
  * 2025-03-07  v0.3    set argc and argv from $_SERVER; update help output
+ * 2025-03-09  v0.4    more colors in output of debug and help
  * ======================================================================
  */
 
@@ -18,7 +19,7 @@ $argc = $_SERVER['argc'];
 $argv = $_SERVER['argv'];
 
 $FLAG_DEBUG = 0;
-$VERSION = "0.3";
+$VERSION = "0.4";
 
 // ---MARK---INCLUDE-CHECKS---START---
 if (!file_exists(__DIR__ . "/include_checks.php")) {
@@ -77,7 +78,7 @@ function _wd($s): void
 {
     global $FLAG_DEBUG;
     if ($FLAG_DEBUG) {
-        fwrite(STDERR, "DEBUG: $s\n");
+        fwrite(STDERR, "\e[90mDEBUG: $s\e[0m\n");
     }
 }
 
@@ -88,9 +89,9 @@ function _wd($s): void
 function _showHelp(): void
 {
     global $VERSION;
-    $_self = str_replace('.php', '', basename(__FILE__)); 
+    $_self = str_replace('.php', '', basename(__FILE__));
     echo "
-IML Appmonitor as CLI client $VERSION
+\e[1m  IML Appmonitor as CLI client $VERSION\e[0m
 
 This client performs appmonitor checks and puts the results as JSON to stdout.
 It contains all checks that are available in the PHP appmonitor client.
@@ -101,22 +102,22 @@ You need to reference an INI file that contains the metadata and all checks.
 Have a look to the online documentation for details.
 You find example snippets in the source code of this project in tests/config/.
 
-    👤 Author: Axel Hahn
-    📄 Source: https://git-repo.iml.unibe.ch/iml-open-source/appmonitor-cli-client
-    📜 License: GNU GPL 3.0
-    📗 Docs: https://os-docs.iml.unibe.ch/appmonitor-cli-client/
+  👤 Author: Axel Hahn
+  📄 Source: https://git-repo.iml.unibe.ch/iml-open-source/appmonitor-cli-client
+  📜 License: GNU GPL 3.0
+  📗 Docs: https://os-docs.iml.unibe.ch/appmonitor-cli-client/
 
-    (c) 2025 Institute for Medical Education * University of Bern
+(c) 2025 Institute for Medical Education * University of Bern
 
 ...............................................................................
 
 
-✨ SYNTAX:
+✨ \e[1mSYNTAX:\e[0m
 
     $_self [OPTIONS] --ini=<INI-FILE>
 
 
-🔷 OPTIONS:
+🔷 \e[1mOPTIONS:\e[0m
 
     -h, --help      Print this help and exit
     -i, --ini       Set an INI File to parse
@@ -126,7 +127,7 @@ You find example snippets in the source code of this project in tests/config/.
     -V, --version   Show version and exit
 
 
-👉 EXAMPLES:
+👉 \e[1mEXAMPLES:\e[0m
 
     $_self -i=my.ini
     $_self --ini=my.ini
@@ -176,7 +177,7 @@ if (isset($ARGS['-h']) || isset($ARGS['--help'])) {
 _wd("Initializing appmonitor class");
 
 $oMonitor = new appmonitor();
-$sPreSpace=" - ";
+$sPreSpace = " - ";
 
 // show builtin checks
 if (isset($ARGS['-l']) || isset($ARGS['--list'])) {
@@ -207,11 +208,11 @@ if (!file_exists($inifile)) {
     exit(4);
 }
 
-try{
+try {
     $aIni = parse_ini_file($inifile, true);
 } catch (Exception $e) {
     echo "❌ ERROR: INI File '$inifile' could not be parsed.\n";
-    exit(5);    
+    exit(5);
 }
 if (!is_array($aIni)) {
     echo "❌ ERROR: INI File '$inifile' could not be parsed as array.\n";
@@ -243,9 +244,9 @@ unset($aChecks["notifications"]);
 
 foreach ($aChecks as $sKey => $aCheck) {
     $aChecks[$sKey]['name'] = $aCheck['name'] ?? $sKey;
-    $aArray=$aCheck['params']??[];
+    $aArray = $aCheck['params'] ?? [];
     if ($aArray) {
-        if(!is_array($aCheck['params'])){
+        if (!is_array($aCheck['params'])) {
             $aArray = json_decode($aCheck['params'], 1);
             if (!is_array($aArray)) {
                 echo "❌ ERROR: key 'params' for check [$sKey] must be valid JSON.\n";