diff --git a/examples/docker-compose/elk/docker-compose.yml b/examples/docker-compose/elk/docker-compose.yml
index 5244344..99fa246 100644
--- a/examples/docker-compose/elk/docker-compose.yml
+++ b/examples/docker-compose/elk/docker-compose.yml
@@ -15,8 +15,8 @@ services:
   kibana:
     image: docker.elastic.co/kibana/kibana:8.3.0
     restart: always
-    depends_on: [ elasticsearch ]
-    ports: [ 5601:5601 ]
+    depends_on: [elasticsearch]
+    ports: [5601:5601]
     environment:
       ELASTICSEARCH_HOSTS: http://elasticsearch:9200/
       # The following is needed to enable the alerting feature
@@ -28,7 +28,7 @@ services:
     image: docker.elastic.co/beats/filebeat:8.3.0
     restart: always
     user: root # Needed to access the Docker socket and logs
-    depends_on: [ elasticsearch ]
+    depends_on: [elasticsearch]
     volumes:
       - ./filebeat.yml:/usr/share/filebeat/filebeat.yml:ro
       - /var/lib/docker/containers:/var/lib/docker/containers:ro
@@ -39,7 +39,7 @@ services:
     image: docker.elastic.co/beats/metricbeat:8.3.0
     restart: always
     user: root # Needed to access the Docker socket and logs
-    depends_on: [ elasticsearch ]
+    depends_on: [elasticsearch]
     volumes:
       - ./metricbeat.yml:/usr/share/metricbeat/metricbeat.yml:ro
       - /var/run/docker.sock:/var/run/docker.sock:ro
@@ -49,7 +49,7 @@ services:
   webserver01:
     image: docker.io/library/nginx:1.23
     restart: always
-    ports: [ 8081:80 ]
+    ports: [8081:80]
     volumes:
       - ./nginx-default.conf:/etc/nginx/conf.d/default.conf:ro
     labels:
@@ -67,7 +67,7 @@ services:
   webserver02:
     image: docker.io/library/nginx:1.23
     restart: always
-    ports: [ 8082:80 ]
+    ports: [8082:80]
     labels:
       co.elastic.logs/enabled: "true"
       co.elastic.logs/module: nginx
diff --git a/examples/docker-compose/loki/docker-compose.yml b/examples/docker-compose/loki/docker-compose.yml
index 48bf214..1cddd7f 100644
--- a/examples/docker-compose/loki/docker-compose.yml
+++ b/examples/docker-compose/loki/docker-compose.yml
@@ -16,7 +16,7 @@ services:
   grafana:
     image: docker.io/grafana/grafana-oss:10.1.1
     restart: always
-    ports: [ "3000:3000" ]
+    ports: ["3000:3000"]
     volumes:
       - data-grafana:/var/lib/grafana
     environment:
diff --git a/examples/docker-compose/prometheus/docker-compose.yml b/examples/docker-compose/prometheus/docker-compose.yml
index 1a8c550..f81b78e 100644
--- a/examples/docker-compose/prometheus/docker-compose.yml
+++ b/examples/docker-compose/prometheus/docker-compose.yml
@@ -5,14 +5,14 @@ services:
   prometheus:
     image: docker.io/prom/prometheus:v2.46.0
     restart: always
-    ports: [ "9090:9090" ]
+    ports: ["9090:9090"]
     volumes:
       - ./prometheus.yml:/etc/prometheus/prometheus.yml:ro
 
   grafana:
     image: docker.io/grafana/grafana-oss:10.1.1
     restart: always
-    ports: [ "3000:3000" ]
+    ports: ["3000:3000"]
     volumes:
       - data-grafana:/var/lib/grafana
     environment:
diff --git a/examples/docker-compose/zerotier/docker-compose-net-host.yml b/examples/docker-compose/zerotier/docker-compose-net-host.yml
index 6decc57..7f477d9 100644
--- a/examples/docker-compose/zerotier/docker-compose-net-host.yml
+++ b/examples/docker-compose/zerotier/docker-compose-net-host.yml
@@ -5,8 +5,8 @@ services:
   zerotier:
     image: docker.io/zerotier/zerotier:1.10.1
     restart: always
-    cap_add: [ NET_ADMIN ]
-    devices: [ /dev/net/tun ]
+    cap_add: [NET_ADMIN]
+    devices: [/dev/net/tun]
     network_mode: host
     environment:
       ZEROTIER_IDENTITY_SECRET: <put-identity-secret-here>
diff --git a/examples/docker-compose/zerotier/docker-compose-net-service.yml b/examples/docker-compose/zerotier/docker-compose-net-service.yml
index 93e8e84..07c65d1 100644
--- a/examples/docker-compose/zerotier/docker-compose-net-service.yml
+++ b/examples/docker-compose/zerotier/docker-compose-net-service.yml
@@ -5,8 +5,8 @@ services:
   zerotier:
     image: docker.io/zerotier/zerotier:1.10.1
     restart: always
-    cap_add: [ NET_ADMIN ]
-    devices: [ /dev/net/tun ]
+    cap_add: [NET_ADMIN]
+    devices: [/dev/net/tun]
     ports:
       # Optional port forwardings (but recommended for highly trafficked
       # services)
@@ -19,5 +19,5 @@ services:
   webserver:
     image: docker.io/traefik/whoami:v1.8.1
     restart: always
-    depends_on: [ zerotier ]
+    depends_on: [zerotier]
     network_mode: service:zerotier
diff --git a/examples/php-recaptcha/README.md b/examples/php-recaptcha/README.md
index 5ac602d..7f7627a 100644
--- a/examples/php-recaptcha/README.md
+++ b/examples/php-recaptcha/README.md
@@ -2,7 +2,7 @@
 
 Simple example of how to use **Google reCAPTCHA v2** with **PHP**.
 
-:video_camera: Useful video tutorial (_not mine_): https://www.youtube.com/watch?v=xyOu0b6R3m0
+Useful video tutorial (_not mine_): https://www.youtube.com/watch?v=xyOu0b6R3m0
 
 ## Step 1: Create the key pair
 
diff --git a/examples/vagrant-catalog/mybox/mybox.json b/examples/vagrant-catalog/mybox/mybox.json
index 9456dbb..e5536d5 100644
--- a/examples/vagrant-catalog/mybox/mybox.json
+++ b/examples/vagrant-catalog/mybox/mybox.json
@@ -1,13 +1,17 @@
 {
-    "name": "mybox",
-    "description": "This is a slightly modified Debian box",
-    "versions": [{
-        "version": "2022.04.21",
-        "providers": [{
-            "name": "virtualbox",
-            "url": "file:///full/path/to/mybox/package.box",
-            "checksum_type": "sha256",
-            "checksum": "1a2b3c4d1a2b3c4d1a2b3c4d1a2b3c4d1a2b3c4d1a2b3c4d1a2b3c4d1a2b3c4d"
-        }]
-    }]
-}
\ No newline at end of file
+  "name": "mybox",
+  "description": "This is a slightly modified Debian box",
+  "versions": [
+    {
+      "version": "2022.04.21",
+      "providers": [
+        {
+          "name": "virtualbox",
+          "url": "file:///full/path/to/mybox/package.box",
+          "checksum_type": "sha256",
+          "checksum": "1a2b3c4d1a2b3c4d1a2b3c4d1a2b3c4d1a2b3c4d1a2b3c4d1a2b3c4d1a2b3c4d"
+        }
+      ]
+    }
+  ]
+}