doc: warn default Docker image has to be changed

README.md

@@ -60,7 +60,7 @@ The Helm template uses some global configuration used throughout all jobs.
 
 | Name                  | description                            | default value     |
 | --------------------- | -------------------------------------- | ----------------- |
-| `HELM_CLI_IMAGE`      | The Docker image used to run Helm      | `alpine/helm:latest` - **it is highly recommended to set the CLI version compatible with your Kubernetes server** |
+| `HELM_CLI_IMAGE`      | The Docker image used to run Helm <br/>:warning: **set the version required by your Kubernetes server** | `alpine/helm:latest` |
 | `HELM_CHART_DIR`      | The folder in which is stored the Helm chart | `.` |
 | `HELM_ENV_VALUE_NAME`      | The environment type variable set to helm | `env` |
 | `HELM_HOSTNAME_VALUE_NAME`      | The hostname variable set to helm | `hostname` |
@@ -342,6 +342,6 @@ variables:
     # $VAULT_ROLE_ID and $VAULT_SECRET_ID defined as a secret CI/CD variable
 ```
 
-## Gitlab compatibility
+## GitLab compatibility
 
 :information_source: This template is actually tested and validated on GitLab Community Edition instance version 13.12.11

kicker.json

@@ -6,7 +6,7 @@
   "variables": [
     {
       "name": "HELM_CLI_IMAGE",
-      "description": "The Docker image used to run Helm - **it is highly recommended to set the CLI version compatible with your Kubernetes server**",
+      "description": "The Docker image used to run Helm - **set the version required by your Kubernetes server**",
       "default": "alpine/helm:latest"
     },
     {