[skip ci] Docu improved

Author: Chris Wiechmann

helm/values.yaml

@@ -225,7 +225,8 @@ apibuilder4elastic:
 
 logstash:
   enabled: true
-  # You may override the standard version
+  # You should set the Elastic version in your local values file to avoid unexpectedly upgrading the 
+  # Elastic stack during a helm upgrade.
   # imageTag: "7.17.0"
   # The following secrets are used to generate the secret <releaseName>-apim4elastic-logstash-secret
   # If disabled the secret is not created and you have to provide them in your own secret and 
@@ -356,7 +357,8 @@ logstash:
 # The following parameters represent only the most important parameters for the solution.
 elasticsearch:
   enabled: true
-  # You may override the standard version
+  # You should set the Elastic version in your local values file to avoid unexpectedly upgrading the 
+  # Elastic stack during a helm upgrade.
   # imageTag: "7.17.0"
   fullnameOverride: "axway-elk-apim4elastic-elasticsearch"
   clusterName: "axway-apim"
@@ -470,7 +472,8 @@ elasticsearch:
 # The following parameters represent only the most important parameters for the solution.
 kibana:
   enabled: true
-  # You may override the standard version
+  # You should set the Elastic version in your local values file to avoid unexpectedly upgrading the 
+  # Elastic stack during a helm upgrade.
   # imageTag: "7.17.0"
   fullnameOverride: "axway-elk-apim4elastic"
   replicas: 2
@@ -560,7 +563,8 @@ kibana:
 filebeat:
   # Deploy Filebeat or not
   enabled: false
-  # You may override the standard version
+  # You should set the Elastic version in your local values file to avoid unexpectedly upgrading the 
+  # Elastic stack during a helm upgrade.
   # imageTag: "7.17.0"
   # Set this to true, to create the filebeat ConfigMaps & Secret including the filebeat.yaml 
   # This is useful, if you would like to run filebeat as a sidecar along with the API-Gateways and just 
@@ -771,7 +775,8 @@ filebeat:
 ##################################################################################################################################
 apm-server:
   enabled: false
-  # You may override the standard version
+  # You should set the Elastic version in your local values file to avoid unexpectedly upgrading the 
+  # Elastic stack during a helm upgrade.
   # imageTag: "7.16.3"
   # Required for the internal stack monitoring to work with the APM-Server
   elasticsearchClusterUUID: ""