diff --git a/index.md b/index.md
index d433a5f..11ead3e 100644
--- a/index.md
+++ b/index.md
@@ -12,6 +12,7 @@ Setup K3s cluster nodes.
 - [Default Variables](#default-variables)
   - [k3s_init_log_enabled](#k3s_init_log_enabled)
   - [k3s_node_ip](#k3s_node_ip)
+  - [k3s_node_labels](#k3s_node_labels)
   - [k3s_node_name](#k3s_node_name)
   - [k3s_packages](#k3s_packages)
   - [k3s_packages_extra](#k3s_packages_extra)
@@ -55,6 +56,14 @@ k3s_init_log_enabled: false
 k3s_node_ip: '{{ ansible_default_ipv4.address }}'
 ```
 
+### k3s_node_labels
+
+#### Default value
+
+```YAML
+k3s_node_labels: {}
+```
+
 ### k3s_node_name
 
 #### Default value