diff --git a/README.md b/README.md
index 6837abb..43a2eef 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Blocks compatible with [i3blocks](https://github.com/vivien/i3blocks).
 ## Requirements
 
 * `go` for compilation
-* `sudo` for `wireguard` block
+* `sudo` and `wg-quick` for `wireguard` block
 * `tmux` for `app` and `date` blocks
 * `df` for `du` block
 * `xdg-open` for `du` block
@@ -27,81 +27,112 @@ make
 
 ## Usage
 
+Each binary has a help, eg `./app -h`.
+
+### App
+
 Add the shortcut `<name>` and run `<command>` when clicked.
 
 ```
-app -block=<block_name> -name=<name> -cmd=<command> -bg-color=<background_color> -fg-color<foreground_color>
+command=/path/to/app -block=<block_name> -name=<name> -cmd=<command> -bg-color=<background_color> -fg-color<foreground_color>
 ```
 
+### Date
+
 Show the time using given format and run `gnome-calendar` when clicked.
 
 ```
-date -format="%H:%M:%S %d/%m/%Y"
+command=/path/to/date -format="%H:%M:%S %d/%m/%Y"
 ```
 
+### Disk usage
+
 Show mount point usage and warns with limits and colors.
 
 ```
-du -block=<block_name> -name=<name> -mount-point=<mount_point> -limit-warning=<limit_warning> -limit-danger=<limit_danger>
+command=/path/to/du -block=<block_name> -name=<name> -mount-point=<mount_point> -limit-warning=<limit_warning> -limit-danger=<limit_danger>
 ```
 
+### IP
+
 Show the IP of the given iface.
 
 ```
-ip -iface=<iface> -version=<ip4|ip6> -name=<name>
+command=/path/to/ip -iface=<iface> -version=<ip4|ip6> -name=<name>
 ```
 
+### IP (wan)
+
 Show the public IP.
 
 ```
-ip_wan
+command=/path/to/ip_wan
 ```
 
+### Prusa telemetry
+
 Show the telemetry using Prusa Printer API.
 
 ```
-prusa_telemetry -api=http://1.2.3.4/api/telemetry
+command=/path/to/prusa_telemetry -api=http://1.2.3.4/api/telemetry
 ```
 
+### Process
+
 Show a message when the given process is running (use `preg -f`).
 
 ```
-ps -process=<process> -message=<message>
+command=/path/to/ps -process=<process> -message=<message>
 ```
 
+### Feed indicator
+
 Show indicator of RSS.
 
 ```
-rss -block=<block_name> -feed=<feed_url> -website=<feed_reader_url> -empty-color=<color> -non-empty-color=<color>
+command=/path/to/rss -block=<block_name> -feed=<feed_url> -website=<feed_reader_url> -empty-color=<color> -non-empty-color=<color>
 ```
 
+### Spotify status
+
 Show current song played (spotify).
 
 ```
-spotify
+command=/path/to/spotify
 ```
 
+### Volume
+
 Show volume.
 
 ```
-volume -channel=<channel>
+command=/path/to/volume -channel=<channel>
 ```
 
+### Wireguard toggler
+
 Toggler for wireguard.
 
 ```
-wireguard -iface=<iface> -name=<name>
+command=/path/to/wireguard -iface=<iface> -name=<name>
 ```
 
-Add a blocks that represent opened apps to create a task bar.
+### Task bar
+
+Add blocks that represent opened apps and create a task bar.
 
 ```
-workspace_apps 0 $BLOCK_BUTTON
-workspace_apps 1 $BLOCK_BUTTON
-workspace_apps 2 $BLOCK_BUTTON
-workspace_apps 3 $BLOCK_BUTTON
-workspace_apps 4 $BLOCK_BUTTON
-workspace_apps 5 $BLOCK_BUTTON
-workspace_apps 6 $BLOCK_BUTTON
-workspace_apps 7 $BLOCK_BUTTON
+[workspace_apps_0]
+command=/path/to/workspace_apps 0 $BLOCK_BUTTON
+format=json
+markup=pango
+interval=1
+
+[workspace_apps_1]
+command=/path/to/workspace_apps 1 $BLOCK_BUTTON
+format=json
+markup=pango
+interval=1
+
+...
 ```