diff --git a/support/software/_vlmcsd b/support/software/_vlmcsd
index 05e5127..36dd903 100644
--- a/support/software/_vlmcsd
+++ b/support/software/_vlmcsd
@@ -3,37 +3,66 @@
 #simplebuild_plugin vlmcsd
 
 build_vlmcsd() {
+
 clear
+#load toolchain preset
 source "$tccfgdir/$1"
+
+#vaiables for download
 filename="svn1113.tar.gz"
 sourcedir="vlmcsd-svn1113"
 stable="https://github.com/Wind4/vlmcsd/archive/$filename"
 
+#goto download dir
 cd $dldir
 slogo
-[ -d $sourcedir ] && rm -rf $sourcedir #remove build dir
-[ -f $filename ] && rm -f $filename #remove download
+[ -d $sourcedir ] && rm -rf $sourcedir #remove build dir if exist
+[ -f $filename ] && rm -f $filename #remove download if exist
+
+#messages and download source
 echo -en "\nVLMCSD\n=======\ndownload please wait ... "
 wget $stable --progress=dot -q --show-progress 2>&1 |
 awk 'NF>2 && $(NF-2) ~ /%/{printf "\rdownload please wait ... %s",$(NF-2)} END{print "\rdownload please wait ... Done!"}' #download stable package
 echo -e "extracting please wait ... "
 
-tar -zxf $filename #extract source
+#extract source
+tar -zxf $filename
 cd $sourcedir
 
 #build software
-make CC=/opt/s3_releases/support/toolchains/dream_one/bin/aarch64-dream_one-linux-gnu-gcc 2>&1 |grep --line-buffered -v "^make" |awk -F "CC" '{print "compile -> " "\033[32m" $NF "\033[0m" }'
+# variables
+#example dream_one
+#
+# _compiler="aarch64-dream_one-linux-gnu-";
+# - u can use $_compiler"-ar" {strip,ranlib,ld...}
+#
+# _sysroot="aarch64-dream_one-linux-gnu/sysroot/";
+# -if the source needs a sysroot
+#
+# _libsearchdir="/lib";
+# if needet on the tharget system
+#
+# toolchain directory
+# $tcdir
+#
+# toolchainname
+# $_toolchainname
+
+make CC="$tcdir/$_toolchainname/bin/$_compiler""gcc" 2>&1 |grep --line-buffered -v "^make" |awk -F "CC" '{print "compile -> " "\033[32m" $NF "\033[0m" }'
 [ -d bin ] && cd bin
+
+#compress binary
 upx -9 -q vlmcs |grep vlmcs |awk '{print "compress -> " $1" "$3" "$4 }'
 upx -9 -q vlmcsd |grep vlmcsd |awk '{print "compress -> " $1" "$3" "$4 }'
 
-#copy binarys
+#move binarys & links to source-toolchainname
 [ -d "$sodir/$sourcedir-$_toolchainname" ] && rm -rf "$sodir/$sourcedir-$_toolchainname"
 mkdir -p "$sodir/$sourcedir-$_toolchainname"
 mv {vlmcs,vlmcsd} "$sodir/$sourcedir-$_toolchainname"
 
 }
 
+#check software parameter
 if [ "$1" = "vlmcsd" ]; then
   build_vlmcsd $2
   exit