diff --git a/docs/examples/aws-sm/values-secret.yaml b/docs/examples/aws-sm/values-secret.yaml
index 55ff832f..dd23d1d4 100644
--- a/docs/examples/aws-sm/values-secret.yaml
+++ b/docs/examples/aws-sm/values-secret.yaml
@@ -1,3 +1,3 @@
-{{ defineDatasource "aws" "aws+sm:///hello/foobar" }}
+# [[ defineDatasource "aws" "aws+sm:///hello/foobar" ]]
 
-secret: {{ datasource "aws" }}
+secret: '[[ datasource "aws" ]]'
diff --git a/docs/examples/helmfile-migration/helmwave.yml.tpl b/docs/examples/helmfile-migration/helmwave.yml.tpl
index 27c8ae2a..133e616f 100644
--- a/docs/examples/helmfile-migration/helmwave.yml.tpl
+++ b/docs/examples/helmfile-migration/helmwave.yml.tpl
@@ -1,24 +1,24 @@
-{{- $env := getenv "ENV" -}}
+[[- $env := getenv "ENV" -]]
 
-{{- defineDatasource "envs" "envs.yml" -}}
-{{- $envs := (ds "envs").envs -}}
+[[- defineDatasource "envs" "envs.yml" -]]
+[[- $envs := (ds "envs").envs -]]
 
-{{ $e := index $envs $env }}
-{{- $kubecontext := $e.kubecontext -}}
-{{ $r := $e.releases }}
+[[ $e := index $envs $env ]]
+[[- $kubecontext := $e.kubecontext -]]
+[[ $r := $e.releases ]]
 
 repositories:
   - name: gitlab
     url: https://charts.gitlab.io/
 
 .options: &options
-  context: {{ $kubecontext }}
+  context: [[ $kubecontext ]]
   atomic: true
   timeout: 1200
   max_history: 3
 
 releases:
-  {{- if (index $r "gitlab") }}
+  # [[- if (index $r "gitlab") ]]
   - name: gitlab
     <<: *options
     chart: gitlab/gitlab
@@ -26,39 +26,39 @@ releases:
     namespace: gitlab
     tags: ["gitlab"]
     values:
-      - ./values/{{ $env }}/gitlab.yaml
-  {{- end }}
+      - ./values/[[ $env ]]/gitlab.yaml
+  # [[- end ]]
 
-  {{- if (index $r "minio") }}
+  # [[- if (index $r "minio") ]]
   - name: minio
     chart: ./charts/minio
     namespace: minio
     values:
-      - ./values/{{ $env }}/minio.yaml
+      - ./values/[[ $env ]]/minio.yaml
     secrets:
-      - src: ./values/{{ $env }}/minio-secret.yaml
+      - src: ./values/[[ $env ]]/minio-secret.yaml
         renderer: sops
-  {{- end }}
+  # [[- end ]]
 
-  {{- if (index $r "grafana") }}
+  # [[- if (index $r "grafana") ]]
   - name: grafana
     chart: ./charts/grafana
     namespace: grafana
     values:
-      - src: ./values/{{ $env }}/grafana.yaml
+      - src: ./values/[[ $env ]]/grafana.yaml
         renderer: copy
     secrets:
-      - src: ./values/{{ $env }}/grafana-secret.yaml
+      - src: ./values/[[ $env ]]/grafana-secret.yaml
         renderer: sops
-  {{- end }}
+  # [[- end ]]
 
-  {{- if (index $r "filebeat") }}
+  # [[- if (index $r "filebeat") ]]
   - name: filebeat
     chart: ./charts/filebeat
     namespace: filebeat
     values:
-      - ./values/{{ $env }}/filebeat.yaml
+      - ./values/[[ $env ]]/filebeat.yaml
     secrets:
-      - src: ./values/{{ $env }}/filebeat-secret.yaml
+      - src: ./values/[[ $env ]]/filebeat-secret.yaml
         renderer: sops
-  {{- end }}
+  # [[- end ]]
diff --git a/docs/examples/values-delimiter-flags/README.md b/docs/examples/values-delimiter-flags/README.md
index c4ac90ec..7b91c7ac 100644
--- a/docs/examples/values-delimiter-flags/README.md
+++ b/docs/examples/values-delimiter-flags/README.md
@@ -2,6 +2,7 @@
 
 Sometimes we need to include strings in values that will be templated by :simple-helm: helm itself (via `tpl` function). In this case we can change helmwave delimiters, so it won't render foreign expressions.
 
+> after v0.42.0 helmwave uses `[[` and `]]` as default delimiters for gomplate engine template.
 
 ```yaml title="values.yml"
 {% include "./values.yml" %}
diff --git a/docs/examples/vault/values-secret.yaml b/docs/examples/vault/values-secret.yaml
index cf9516b9..7d516b4c 100644
--- a/docs/examples/vault/values-secret.yaml
+++ b/docs/examples/vault/values-secret.yaml
@@ -1,4 +1,4 @@
-{{ defineDatasource "vault" "vault:///secret/data/test" }} # `data` is required for vault kv2
+# [[ defineDatasource "vault" "vault:///secret/data/test" ]] # `data` is required for vault kv2
 
-secret: {{ (ds "vault").data.hello }}
-revesion_of_secret: {{ (ds "vault").metadata.version }}
+secret: [[ (ds "vault").data.hello ]]
+revesion_of_secret: [[ (ds "vault").metadata.version ]]