diff --git a/docker-compose.yaml.example b/docker-compose.yaml.example
index 323ddbc..bfb8b60 100644
--- a/docker-compose.yaml.example
+++ b/docker-compose.yaml.example
@@ -100,7 +100,7 @@ services:
       interval: 1s
       timeout: 3s
       retries: 30
-      start-period: 30s
+      start_period: 30s
     networks:
       aix-docker-cc:
         ipv4_address: ${NET_SUBNET:-10.12.25}.3
@@ -127,7 +127,7 @@ services:
       interval: 1s
       timeout: 3s
       retries: 30
-      start-period: 30s
+      start_period: 30s
     depends_on:
       - elasticsearch
       - redis
@@ -154,7 +154,7 @@ services:
       interval: 1s
       timeout: 3s
       retries: 30
-      start-period: 30s
+      start_period: 30s
     depends_on:
       - elasticsearch
       - redis
@@ -181,7 +181,7 @@ services:
       interval: 1s
       timeout: 3s
       retries: 30
-      start-period: 30s
+      start_period: 30s
     depends_on:
       redis:
         condition: service_healthy