diff --git a/README.md b/README.md
index d2f9e5f..89eddc3 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Similar to [password-store](https://git.zx2c4.com/password-store/about/), but wr
 
 ## Requirements
 - [gpg](https://gnupg.org/)
-- tree
+- [tree](https://oldmanprogrammer.net/source.php?dir=projects/tree)
 
 ###### Optional Requirements
 - [nano](https://www.nano-editor.org/)                      *(required only if environment variable `$EDITOR` is not set)*
@@ -20,8 +20,8 @@ Similar to [password-store](https://git.zx2c4.com/password-store/about/), but wr
 ## Config
 Edit the source code to change these settings:
 
-| Setting  | Description                                                                                                        |
-| -------- | ------------------------------------------------------------------------------------------------------------------ |
+| Setting    | Description                                                                                                      |
+| ---------- | ---------------------------------------------------------------------------------------------------------------- |
 | `GPG_ID`   | Default GPG key ID to use for encrypting/decrypting                                                              |
 | `GPG_OPTS` | Do not edit this unless you know what you are doing                                                              |
 | `METHOD`   | Method used for the menu *("copy" will use xclip to copy passwords & "type" will use xdotool to type passwords)* |
@@ -57,8 +57,7 @@ fi
 ```
 Make it executable with `chmod +x $HOME/.gnupg/pinentry-wrapper` and then edit your `$HOME/.gnupg/gpg-agent.conf` to include `pinentry-program $HOME/.gnupg/pinentry-wrapper`.
 
-## Mirrors
-- [acid.vegas](https://git.acid.vegas/pass)
-- [GitHub](https://github.com/acidvegas/pass)
-- [GitLab](https://gitlab.com/acidvegas/pass)
-- [SuperNETs](https://git.supernets.org/acidvegas/pass)
\ No newline at end of file
+___
+
+###### Mirrors
+[acid.vegas](https://git.acid.vegas/pass) • [GitHub](https://github.com/acidvegas/pass) • [GitLab](https://gitlab.com/acidvegas/pass) • [SuperNETs](https://git.supernets.org/acidvegas/pass)
diff --git a/pass b/pass
index 7540fd0..2568eb6 100755
--- a/pass
+++ b/pass
@@ -68,7 +68,7 @@ menu() {
 		elif [ -f $cwd/$cmd ]; then
 			if [ $METHOD = "copy" ]; then
 				export PINENTRY_USER_DATA="dmenu" | gpg -d $GPG_OPTS $cwd/$cmd | dmenu "$@" | xclip -selection clipboard
-				sleep 3 && xclip -selection clipboard /dev/null
+				sleep 3 && xclip -selection clipboard /dev/nul
 			elif [ $METHOD = "type" ]; then
 				export PINENTRY_USER_DATA="dmenu" | gpg -d $GPG_OPTS $cwd/$cmd | dmenu "$@" | xdotool type --delay 3 "$D"
 			fi
@@ -103,17 +103,17 @@ show() {
 }
 
 # Main
-[ ! $(command -v gpg)  ] && echo "error: missing required packaged 'gpg'"  && exit 1
-[ ! $(command -v tree) ] && echo "error: missing required packaged 'tree'" && exit 1
+command -v gpg  >/dev/null || { echo "error: missing required package 'gpg'";  exit 1; }
+command -v tree >/dev/null || { echo "error: missing required package 'tree'"; exit 1; }
 if [ "$#" = '1' ]; then
 	if [ $1 = 'menu' ]; then
-		[ ! $(command -v dmenu)          ] && echo "error: missing required packaged 'dmenu'"          && exit 1
-		[ ! $(command -v pinentry)       ] && echo "error: missing required packaged 'pinentry'"       && exit 1
-		[ ! $(command -v pinentry-dmenu) ] && echo "error: missing required packaged 'pinentry-dmenu'" && exit 1
+		command -v dmenu          >/dev/null || { echo "error: missing required package 'dmenu'";          exit 1; }
+		command -v pinentry       >/dev/null || { echo "error: missing required package 'pinentry'";       exit 1; }
+		command -v pinentry-dmenu >/dev/null || { echo "error: missing required package 'pinentry-dmenu'"; exit 1; }
 		if [ $METHOD = "copy" ]; then
-			[ ! $(command -v xclip)      ] && echo "error: missing required packaged 'xclip'"          && exit 1
+			command -v dmenu >/dev/null || { echo "error: missing required package 'xclip'"; exit 1; }
 		elif [ $METHOD = 'type' ]; then
-			[ ! $(command -v xdotool)    ] && echo "error: missing required packaged 'xdotool'"        && exit 1
+			command -v xdotool >/dev/null || { echo "error: missing required package 'xdotool'"; exit 1; }
 		else
 			echo "error: invalid menu method (must be 'copy' or 'type')"
 			exit 1
@@ -128,9 +128,9 @@ elif [ "$#" = '2' ]; then
 	elif [ "$1" = 'gen' ]; then
 		generate $2
 	elif [ "$1" = 'otp' ]; then
-		[ ! $(command -v oathtool) ] && echo "error: missing required packaged 'oathtool'" && exit 1
+		command -v oathtool >/dev/null || { echo "error: missing required package 'oathtool'"; exit 1; }
 		otp $2
 	fi
 else
 	tree -NCl --noreport $PASS_DIR 3>&- | tail -n +2 | sed -E 's/\.gpg(\x1B\[[0-9]+m)?( ->|$)/\1\2/g'
-fi
\ No newline at end of file
+fi