diff --git a/content/en/docs/tasks/observability/metrics/classify-metrics/index.md b/content/en/docs/tasks/observability/metrics/classify-metrics/index.md
index 697ff18bfc..456c919ec2 100644
--- a/content/en/docs/tasks/observability/metrics/classify-metrics/index.md
+++ b/content/en/docs/tasks/observability/metrics/classify-metrics/index.md
@@ -35,7 +35,7 @@ For more information, see the
 
 Istio uses the Envoy proxy to generate metrics and provides its configuration in
 the `EnvoyFilter` at
-[`manifests/charts/istio-control/istio-discovery/templates/telemetryv2_1.8.yaml`]({{<github_blob>}}/manifests/charts/istio-control/istio-discovery/templates/telemetryv2_1.8.yaml).
+[`manifests/charts/istio-control/istio-discovery/templates/telemetryv2_{{< istio_version >}}.yaml`]({{<github_blob>}}/manifests/charts/istio-control/istio-discovery/templates/telemetryv2_{{< istio_version >}}.yaml).
 As a result, writing classification rules involves adding attributes to the
 `EnvoyFilter`.
 
@@ -66,7 +66,7 @@ spec:
     match:
       context: SIDECAR_INBOUND
       proxy:
-        proxyVersion: '1\.8.*'
+        proxyVersion: '1\.9.*'
       listener:
         filterChain:
           filter:
@@ -118,22 +118,22 @@ spec:
     $ kubectl -n istio-system apply -f attribute_gen_service.yaml
     {{< /text >}}
 
-1. Find the `stats-filter-1.8` `EnvoyFilter` resource from the `istio-system`
+1. Find the `stats-filter-{{< istio_version >}}` `EnvoyFilter` resource from the `istio-system`
    namespace, using the following command:
 
     {{< text bash >}}
-    $ kubectl -n istio-system get envoyfilter | grep ^stats-filter-1.8
-    stats-filter-1.8                    2d
+    $ kubectl -n istio-system get envoyfilter | grep ^stats-filter-{{< istio_version >}}
+    stats-filter-{{< istio_version >}}                    2d
     {{< /text >}}
 
 1. Create a local file system copy of the `EnvoyFilter` configuration, using the
    following command:
 
     {{< text bash >}}
-    $ kubectl -n istio-system get envoyfilter stats-filter-1.8 -o yaml > stats-filter-1.8.yaml
+    $ kubectl -n istio-system get envoyfilter stats-filter-{{< istio_version >}} -o yaml > stats-filter-{{< istio_version >}}.yaml
     {{< /text >}}
 
-1. Open `stats-filter-1.8.yaml` with a text editor and locate the
+1. Open `stats-filter-{{< istio_version >}}.yaml` with a text editor and locate the
    `name: istio.stats` extension configuration. Update it to map `request_operation`
    dimension in the `requests_total` standard metric to `istio_operationId` attribute.
    The updated configuration file section should look like the following.
@@ -148,21 +148,32 @@ spec:
               configuration:
                 "@type": type.googleapis.com/google.protobuf.StringValue
                 value: |
-                {
-                  "metrics": [
-                   {
-                     "name": "requests_total",
-                     "dimensions": {
-                       "request_operation": "istio_operationId"
-                     }
-                   }]
-                }
+                  {
+                    "metrics": [
+                     {
+                       "name": "requests_total",
+                       "dimensions": {
+                         "request_operation": "istio_operationId"
+                       }
+                     }]
+                  }
     {{< /text >}}
 
-1. Save `stats-filter-1.8.yaml` and then apply the configuration using the following command:
+1. Save `stats-filter-{{< istio_version >}}.yaml` and then apply the configuration using the following command:
 
     {{< text bash >}}
-    $ kubectl -n istio-system apply -f stats-filter-1.8.yaml
+    $ kubectl -n istio-system apply -f stats-filter-{{< istio_version >}}.yaml
+    {{< /text >}}
+
+1. Add the following configuration to the mesh config. This results in the addition of the `request_operation` as a
+   new dimension to the `istio_requests_total` metric. Without it, a new metric with the name `envoy_request_operation___somevalue___istio_requests_total`
+   is created.
+
+    {{< text yaml >}}
+    meshConfig:
+      defaultConfig:
+        extraStatTags:
+        - request_operation
     {{< /text >}}
 
 1. Generate metrics by sending traffic to your application.
@@ -172,10 +183,11 @@ spec:
 
 ## Classify metrics by response
 
-You can classify responses using a similar process as requests.
+You can classify responses using a similar process as requests. Do note that the `response_code` dimension already exists by default.
+The example below will change how it is populated.
 
 1. Create a file, for example `attribute_gen_service.yaml`, and save it with the
-   following contents. This add the `istio.attributegen` plugin to the
+   following contents. This adds the `istio.attributegen` plugin to the
    `EnvoyFilter` and generates the `istio_responseClass` attribute used by the
    stats plugin.
 
@@ -196,7 +208,7 @@ spec:
     match:
       context: SIDECAR_INBOUND
       proxy:
-        proxyVersion: '1\.8.*'
+        proxyVersion: '1\.9.*'
       listener:
         filterChain:
           filter:
@@ -215,43 +227,43 @@ spec:
               configuration:
                 "@type": type.googleapis.com/google.protobuf.StringValue
                 value: |
-                {
-                  "attributes": [
-                    {
-                      "output_attribute": "istio_responseClass",
-                      "match": [
-                        {
-                          "value": "2xx",
-                          "condition": "response.code >= 200 && response.code <= 299"
-                        },
-                        {
-                          "value": "3xx",
-                          "condition": "response.code >= 300 && response.code <= 399"
-                        },
-                        {
-                          "value": "404",
-                          "condition": "response.code == 404"
-                        },
-                        {
-                          "value": "429",
-                          "condition": "response.code == 429"
-                        },
-                        {
-                          "value": "503",
-                          "condition": "response.code == 503"
-                        },
-                        {
-                          "value": "5xx",
-                          "condition": "response.code >= 500 && response.code <= 599"
-                        },
-                        {
-                          "value": "4xx",
-                          "condition": "response.code >= 400 && response.code <= 499"
-                        }
-                      ]
-                    }
-                  ]
-                }
+                  {
+                    "attributes": [
+                      {
+                        "output_attribute": "istio_responseClass",
+                        "match": [
+                          {
+                            "value": "2xx",
+                            "condition": "response.code >= 200 && response.code <= 299"
+                          },
+                          {
+                            "value": "3xx",
+                            "condition": "response.code >= 300 && response.code <= 399"
+                          },
+                          {
+                            "value": "404",
+                            "condition": "response.code == 404"
+                          },
+                          {
+                            "value": "429",
+                            "condition": "response.code == 429"
+                          },
+                          {
+                            "value": "503",
+                            "condition": "response.code == 503"
+                          },
+                          {
+                            "value": "5xx",
+                            "condition": "response.code >= 500 && response.code <= 599"
+                          },
+                          {
+                            "value": "4xx",
+                            "condition": "response.code >= 400 && response.code <= 499"
+                          }
+                        ]
+                      }
+                    ]
+                  }
               vm_config:
                 runtime: envoy.wasm.runtime.null
                 code:
@@ -264,22 +276,22 @@ spec:
     $ kubectl -n istio-system apply -f attribute_gen_service.yaml
     {{< /text >}}
 
-1. Find the `stats-filter-1.8` `EnvoyFilter` resource from the `istio-system`
+1. Find the `stats-filter-{{< istio_version >}}` `EnvoyFilter` resource from the `istio-system`
    namespace, using the following command:
 
     {{< text bash >}}
-    $ kubectl -n istio-system get envoyfilter | grep ^stats-filter-1.8
-    stats-filter-1.8                    2d
+    $ kubectl -n istio-system get envoyfilter | grep ^stats-filter-{{< istio_version >}}
+    stats-filter-{{< istio_version >}}                    2d
     {{< /text >}}
 
 1. Create a local file system copy of the `EnvoyFilter` configuration, using the
    following command:
 
     {{< text bash >}}
-    $ kubectl -n istio-system get envoyfilter stats-filter-1.8 -o yaml > stats-filter-1.8.yaml
+    $ kubectl -n istio-system get envoyfilter stats-filter-{{< istio_version >}} -o yaml > stats-filter-{{< istio_version >}}.yaml
     {{< /text >}}
 
-1. Open `stats-filter-1.8.yaml` with a text editor and locate the
+1. Open `stats-filter-{{< istio_version >}}.yaml` with a text editor and locate the
    `name: istio.stats` extension configuration. Update it to map `response_code`
    dimension in the `requests_total` standard metric to `istio_responseClass` attribute.
    The updated configuration file section should look like the following.
@@ -294,21 +306,21 @@ spec:
               configuration:
                 "@type": type.googleapis.com/google.protobuf.StringValue
                 value: |
-                {
-                  "metrics": [
-                   {
-                     "name": "requests_total",
-                     "dimensions": {
-                       "response_code": "istio_responseClass"
-                     }
-                   }]
-                }
+                  {
+                    "metrics": [
+                     {
+                       "name": "requests_total",
+                       "dimensions": {
+                         "response_code": "istio_responseClass"
+                       }
+                     }]
+                  }
     {{< /text >}}
 
-1. Save `stats-filter-1.8.yaml` and then apply the configuration using the following command:
+1. Save `stats-filter-{{< istio_version >}}.yaml` and then apply the configuration using the following command:
 
     {{< text bash >}}
-    $ kubectl -n istio-system apply -f stats-filter-1.8.yaml
+    $ kubectl -n istio-system apply -f stats-filter-{{< istio_version >}}.yaml
     {{< /text >}}
 
 ## Verify the results