diff --git a/processor/k8sattributesprocessor/README.md b/processor/k8sattributesprocessor/README.md
index 5a4fd9a3b7fa..1481a6eb81e2 100644
--- a/processor/k8sattributesprocessor/README.md
+++ b/processor/k8sattributesprocessor/README.md
@@ -102,6 +102,7 @@ Additional container level attributes can be extracted provided that certain res
    - container.image.tag
    - container.image.repo_digests (if k8s CRI populates [repository digest field](https://github.com/open-telemetry/semantic-conventions/blob/v1.26.0/model/registry/container.yaml#L60-L71))
 2. If the `k8s.container.name` resource attribute is provided, the following additional attributes will be available:
+   - container.id (if the `k8s.container.restart_count` resource attribute is not provided, it's not guaranteed to get the right container ID.)
    - container.image.name
    - container.image.tag
    - container.image.repo_digests (if k8s CRI populates [repository digest field](https://github.com/open-telemetry/semantic-conventions/blob/v1.26.0/model/registry/container.yaml#L60-L71))