diff --git a/tinc/README.md b/tinc/README.md
index e441f17..5a9f842 100644
--- a/tinc/README.md
+++ b/tinc/README.md
@@ -36,7 +36,7 @@ server:
     - "655:655/udp"
   volumes:
     - tinc:/etc/tinc
-  cat_add:
+  cap_add:
     - NET_ADMIN
   restart: always
 ```
diff --git a/tinc/docker-compose.yml b/tinc/docker-compose.yml
index ca11e45..038cf08 100644
--- a/tinc/docker-compose.yml
+++ b/tinc/docker-compose.yml
@@ -5,6 +5,6 @@ server:
     - "655:655/udp"
   volumes:
     - tinc:/etc/tinc
-  cat_add:
+  cap_add:
     - NET_ADMIN
   restart: always