diff --git a/README.md b/README.md
index 395d79d..252a1c0 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,29 @@
 
 Show running processes in a tree structure.
 
+```
+> proctree
+├──1 systemd
+|  ├──1028 upowerd
+|  ├──1040 rtkit-daemon
+|  ├──1095 ModemManagere
+|  ├──840 NetworkManager
+|  ├──527 systemd-oomd
+|  ├──885 cupsd
+|  └──876 gdm
+|     └──1275 gdm-session-wor
+|        └──1312 gdm-wayland-ses
+|           └──1315 .gnome-session-
+└──2 kthreadd
+   ├──2982 kworker/3:3-events
+   ├──27 kworker/2:0H-events_highpri
+   ├──12 rcu_tasks_rude_
+   ├──22 kworker/1:0H-kblockd
+   ├──33 kdevtmpfs
+   ├──34 inet_frag_wq
+   └──61 blkcg_punt_bio
+```
+
 ## Installation
 
 ### Cargo