diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d9568ca
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*swp
diff --git a/.synccmd.sh b/.synccmd.sh
index b0f025f..ab08432 100755
--- a/.synccmd.sh
+++ b/.synccmd.sh
@@ -1,7 +1,23 @@
 #!/bin/bash
+# Copyright 2021 Luca Paris
+#This file is part of masync.
+
+#masync is free software: you can redistribute it and/or modify
+#it under the terms of the GNU General Public License as published by
+#the Free Software Foundation, either version 3 of the License, or
+#(at your option) any later version.
+
+#masync is distributed in the hope that it will be useful,
+#but WITHOUT ANY WARRANTY; without even the implied warranty of
+#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#GNU General Public License for more details.
+
+#You should have received a copy of the GNU General Public License
+#along with masync.  If not, see <http://www.gnu.org/licenses/>.
+
 # $1 -> hash sync
-# $2 -> LOCAL PATH -> /home/luca/test/
-# $3 -> REMOTE PATH -> notanamber@myvps:/home/notanamber/sydir/ [avoid to copy remote in source]
+# $2 -> LOCAL PATH 
+# $3 -> REMOTE PATH -> user@myvps:/home/user/syncdir/ [trailing / avoids to copy remote folder in source]
 sync() {
   src=$2
   dest=$3
diff --git a/syncdir.sh b/masync
similarity index 92%
rename from syncdir.sh
rename to masync
index 8d47d66..6d33288 100755
--- a/syncdir.sh
+++ b/masync
@@ -1,4 +1,20 @@
 #!/bin/bash
+# Copyright 2021 Luca Paris
+#This file is part of masync.
+
+#masync is free software: you can redistribute it and/or modify
+#it under the terms of the GNU General Public License as published by
+#the Free Software Foundation, either version 3 of the License, or
+#(at your option) any later version.
+
+#masync is distributed in the hope that it will be useful,
+#but WITHOUT ANY WARRANTY; without even the implied warranty of
+#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#GNU General Public License for more details.
+
+#You should have received a copy of the GNU General Public License
+#along with masync.  If not, see <http://www.gnu.org/licenses/>.
+
 source ~/bin/.synccmd.sh
 SYNCFILE=~/.syncdir.sync
 MYPID=$$
@@ -9,16 +25,16 @@ RED="\e[31m"
 GREEN="\e[32m"
 ENDCOLOR="\e[0m"
 
-HELP_CMD_NAME='syncdir.sh'
+HELP_CMD_NAME='masync'
 HELP_LOCAL_DIR="/home/$USER/localsync/"
 HELP_REMOTE_DIR="remoteuser@server:/home/remoteuser/sync/"
 
 myhelp() {
   echo "Usage: ${HELP_CMD_NAME}  {COMMAND}  [OPTION]"
   echo 'Description: '
-  echo -e '\tThis tool allows you to mirror and keep synchronised a folder on a remote server with an arbitrary local folder.'
+  echo -e '\tThis tool allows you to mirror and keep synchronised one or more folders on a remote server with arbitraries local folders.'
   echo -e '\tIt has three main commands init, start, stop, remove'
-  echo -e "\t${RED}NOTE: you must have configured ssh on your remote server!${ENDCOLOR}"
+  echo -e "\tNOTE: Before using it, you must have configured ssh on your remote server!"
   echo -e "\tthe typical use is to start a sync with the command"
   echo -e "\t\t${HELP_CMD_NAME} init -l ${HELP_LOCAL_DIR} -r ${HELP_REMOTE_DIR}"
   echo -e "\tAbove command starts to mirror and sync the local folder ${HELP_LOCAL_DIR} with the remote folder ${HELP_REMOTE_DIR}"
diff --git a/syncloop.sh b/syncloop.sh
index ecbe6d1..1ae4e61 100755
--- a/syncloop.sh
+++ b/syncloop.sh
@@ -1,4 +1,20 @@
 #!/bin/bash
+# Copyright 2021 Luca Paris
+#This file is part of masync.
+
+#masync is free software: you can redistribute it and/or modify
+#it under the terms of the GNU General Public License as published by
+#the Free Software Foundation, either version 3 of the License, or
+#(at your option) any later version.
+
+#masync is distributed in the hope that it will be useful,
+#but WITHOUT ANY WARRANTY; without even the implied warranty of
+#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#GNU General Public License for more details.
+
+#You should have received a copy of the GNU General Public License
+#along with masync.  If not, see <http://www.gnu.org/licenses/>.
+
 ## REQUIREMENT
 # apt-get install inotify-tools
 # @1   hash to retrieve sync