diff --git a/.config/zsh/.zshrc b/.config/zsh/.zshrc
index 9e6966f..cf3410e 100644
--- a/.config/zsh/.zshrc
+++ b/.config/zsh/.zshrc
@@ -1,5 +1,5 @@
 ## Author:  druckdev
-## Created  2018-11-23
+## Created: 2018-11-23
 
 # Set terminals title if this is a scratchpad-terminal
 [ -z "$SCRATCHPAD_TERMINAL" ] || printf "\x1b\x5d\x30\x3bscratchpad-terminal\x07"
diff --git a/.local/bin/filterHistory b/.local/bin/filterHistory
index ebc2703..6229bff 100755
--- a/.local/bin/filterHistory
+++ b/.local/bin/filterHistory
@@ -1,5 +1,13 @@
 #!/bin/bash
 
+## Author:  druckdev
+## Created: 2020-06-14
+##
+## A script that deletes often used commands in a shell history.
+## The script will expect a file as argument and that the history file is in the
+##   format of zshs extended history.
+## An automatic backup is created before deleting that can be used for recovery.
+
 [ $# -eq 1 ] || { echo "Specify history file" >&2; exit 1; }
 [ -e "$1" ] || { echo "File does not exist" >&2; exit 1; }
 [ "$(stat -c '%a' "$1")" = "600" ] || { echo "File does not look like a history file" >&2; exit 1; }
diff --git a/.local/bin/zoom-links b/.local/bin/zoom-links
index e6a3fa4..b868289 100755
--- a/.local/bin/zoom-links
+++ b/.local/bin/zoom-links
@@ -1,7 +1,7 @@
 #!/bin/sh
 
-## Author:	druckdev
-## Created	2020-06-05
+## Author:  druckdev
+## Created: 2020-06-05
 ##
 ## A script that modifies Zoom links for the use in browsers, opens it then in a private chromium
 ##   window and puts the password into the clipboard. If no argument is given the link is taken out