diff --git a/scripts/tc-docker b/scripts/tc-docker
index 1fccf3c..74dbbb5 100755
--- a/scripts/tc-docker
+++ b/scripts/tc-docker
@@ -2,7 +2,7 @@
 #
 # @file tc-docker
 # @description tc-docker, helper script for building innovarew/docker-tinycore
-# @author innovarew <innovarew at github.com> (c) Copyright 2022
+# @author innovarew <innovarew at github.com> (c) Copyright 2022 GPLv2
 # @copyright All rights reserved. Read LICENSE.txt file for the license terms.
 # @url github.com/innovarew/docker-tinycore
 #
@@ -19,8 +19,9 @@
 #
 
 PROGNAME=${0##*/}
-PROGAUTHOR="innovarew <box> (c) 2022."
 PROGVERSION=v1.2
+PROGAUTHOR="innovarew"
+PROGURL="https://github.com/innovarew/docker-tinycore"
 
 set -euf
 
@@ -38,7 +39,7 @@ fi
 
 tce_rootfs_init()
 {
-    TC_VER=$(echo $TC_URL | awk -F/ '{print $4"-"$5}')
+    TC_VER=$(echo "$TC_URL" | awk -F/ '{print $4"-"$5}')
     TC_TAR="rootfs-$TC_VER.tar.xz"
     TC_PATCH="rootfs-$TC_VER.patch"
 
@@ -57,11 +58,11 @@ tce_rootfs_init()
         tce_rootfs_unpack "$@"
 
         # rootfs contains .ko.gz not used by docker
-        find $PWD/root/ -name '*.ko.gz' -exec rm {} \;
+        find "$PWD/root/" -name '*.ko.gz' -exec rm {} \;
 
         # get unsquashfs into container to unpack tcz
-        tce_install liblzma.tcz $PWD/root/
-        tce_install squashfs-tools.tcz $PWD/root/
+        tce_install liblzma.tcz "$PWD/root/"
+        tce_install squashfs-tools.tcz "$PWD/root/"
 
         patch -p2 < $TC_PATCH
     )
@@ -71,7 +72,7 @@ tce_rootfs_init()
 
 tce_rootfs_unpack()
 {
-    ISO_FILE=$(basename "$ISO_URL")
+    ISO_FILE="${ISO_URL##*/}"
 
     wget -qc "$ISO_URL"
     # wget -qc "$ISO_URL.md5.txt" && md5sum -c $(basename "$ISO_URL.md5.txt")
@@ -107,7 +108,7 @@ tce_install()
     local app=$1
     local root=$2
 
-    if [ -e $root/usr/local/tce.installed/${app%.tcz} ]
+    if [ -e "$root/usr/local/tce.installed/${app%.tcz}" ]
     then
         usage "warn: $app already installed in $root"
     fi
@@ -115,25 +116,25 @@ tce_install()
     (
         tce_cddir
 
-        if wget -qc $TCZ_URL/$app.dep
+        if wget -qc "$TCZ_URL/$app.dep"
         then
-            for dep in `cat $app.dep`
+            for dep in $(cat "$app.dep")
             do
                 tce_install $dep $root
             done
         fi
 
-        wget -qc $TCZ_URL/$app
-        wget -qc $TCZ_URL/$app.md5.txt
-        [ -e "$app.md5.txt" ] && md5sum -c $app.md5.txt
+        wget -qc "$TCZ_URL/$app"
+        wget -qc "$TCZ_URL/$app.md5.txt"
+        [ -e "$app.md5.txt" ] && md5sum -c "$app.md5.txt"
 
         if [ -n "$UNSQUASHFS" ]
         then
-            unsquashfs -n -d "$root" -f $app >/dev/null
+            unsquashfs -n -d "$root" -f "$app" >/dev/null
 
             # update system
-            mkdir -p $root/usr/local/tce.installed/
-            touch $root/usr/local/tce.installed/${app%.tcz}
+            mkdir -p "$root/usr/local/tce.installed/"
+            touch "$root/usr/local/tce.installed/${app%.tcz}"
         fi
 
         # update libs
@@ -150,8 +151,8 @@ tce_info()
     local app=$1
     (
         tce_cddir
-        [ ! -e $app.info ] && wget -qc $TCZ_URL/$app.info
-        cat $app.info
+        [ ! -e "$app.info" ] && wget -qc "$TCZ_URL/$app.info"
+        cat "$app.info"
     )
 }
 
@@ -161,8 +162,8 @@ tce_list()
     local app=$1
     (
         tce_cddir
-        [ ! -e $app.list ] && wget -qc $TCZ_URL/$app.list
-        cat $app.list
+        [ ! -e "$app.list" ] && wget -qc "$TCZ_URL/$app.list"
+        cat "$app.list"
     )
 }
 
@@ -172,8 +173,8 @@ tce_dep()
     local app=$1
     (
         tce_cddir
-        [ ! -e $app.list ] && wget -qc $TCZ_URL/$app.dep
-        cat $app.dep
+        [ ! -e "$app.list" ] && wget -qc "$TCZ_URL/$app.dep"
+        cat "$app.dep"
     )
 }
 
@@ -181,8 +182,8 @@ tce_search()
 {
     (
         tce_cddir
-        wget -qc $TCZ_URL
-        cat $(basename "$TCZ_URL")
+        wget -qc "$TCZ_URL"
+        cat "${TCZ_URL##*/}"
     )
 }
 
@@ -190,7 +191,7 @@ usage()
 {
     if [ $# -eq 0 ]
     then
-        echo "usage: $PROGNAME [tce_rootfs_init|tce_install] # @version $PROGVERSION @copyright $PROGAUTHOR";
+        echo "usage: $PROGNAME [tce_rootfs_init|tce_install] # @version $PROGVERSION (c) $PROGAUTHOR $PROGURL";
         exit;
     else
         echo "$@"