cosmetic changes made, copyright details added

tessen.bash

@@ -1,16 +1,18 @@
 #!/usr/bin/env bash
 # SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (C) 2021 Ayush Agarwal <ayush at fastmail dot in>
 #
 # pass tessen - Password Store Extension (https://www.passwordstore.org)
 # a fuzzy data selection interface for pass using fzf
-
-# list of variables inherited from password-store.sh which are used in this extension
-# PREFIX    - the location of password store
-# CLIP_TIME - the time for which data should be kept in the clipboard
+# ------------------------------------------------------------------------------
 
 # password-store.sh doesn't use nounset, we will
 set -u
 
+# list of variables inherited from password-store.sh used in this extension
+# PREFIX    - the location of password store
+# CLIP_TIME - the time for which data should be kept in the clipboard
+
 # initialize the global variables
 TSN_VERSION="1.0"
 TSN_PASSFILE=""