diff --git a/check_mysqlserver b/check_mysqlserver
index a4217bbdd3f65c206f9a8613e9a46c0dd6c92c9b..c77e64661c6fe1d516ddf7ecfb96b3e193ca5db9 100755
--- a/check_mysqlserver
+++ b/check_mysqlserver
@@ -19,13 +19,12 @@
 # 2021-06-08  v0.1  <axel.hahn@iml.unibe.ch>  update HOME .. better implement a param and ENV var
 # 2021-06-24  v0.2  <axel.hahn@iml.unibe.ch>  check if query cache is enabled as a shared function
 # 2023-06-06  v0.3  <axel.hahn@unibe.ch>      some shell fixes
+# 2023-07-28  v1.0  <axel.hahn@unibe.ch>      update help page; fix [client]: command not found
 # ======================================================================
 
-
 . $( dirname $0 )/inc_pluginfunctions
 
-self_APPNAME=$( basename $0 | tr [:lower:] [:upper:] )
-self_APPVERSION=0.3
+export self_APPVERSION=1.0
 
 # --- set HOME
 HOME=/etc/icingaclient
@@ -100,17 +99,11 @@ EOF
     fi
 }
 
-# show usage
-function _usage(){
-    local _self=$( basename $0 )
-    cat <<EOH
-______________________________________________________________________
-
-${self_APPNAME} :: v${self_APPVERSION}
-
-(c) Institute for Medical Education - University of Bern
-Licence: GNU GPL 3
-______________________________________________________________________
+# show help text
+function showHelp(){
+    local _self; _self=$(basename $0)
+cat <<EOF
+$( ph.showImlHelpHeader )
 
 USAGE:
   $_self [OPTIONS] -m METHOD
@@ -133,7 +126,7 @@ EXAMPLES:
   $_self -i
   $_self -m commands
 
-EOH
+EOF
 }
 
 function _mysqlreadvars(){
@@ -206,7 +199,7 @@ bOptUninstall=$( ph.hasParamoption "u" "$@")
 bOptHelp=$(      ph.hasParamoption "h" "$@")
 
 if [ $bOptHelp -eq 1 -o $# -lt 1 ]; then
-    _usage
+    showHelp
     exit 0
 fi
 
@@ -245,7 +238,6 @@ fi
 if ! grep $myuser $cfgfile >/dev/null 2>&1; then
     ph.abort "MYSQL access not possible yet. You need to install the monitoring user first: as root execute $(basename $0) -i"
 fi
-. "${cfgfile}"
 
 # ----------------------------------------------------------------------
 
@@ -328,7 +320,7 @@ case "${sMode}" in
 
     *)
         echo ERRROR: [${sMode}] is an INVALID mode
-        _usage
+        showHelp
         ph.abort
 
 esac