diff --git a/content/en/docs/concepts/workloads/pods/pod-topology-spread-constraints.md b/content/en/docs/concepts/workloads/pods/pod-topology-spread-constraints.md
index 4b33db8703a54..2e8a915c627b3 100644
--- a/content/en/docs/concepts/workloads/pods/pod-topology-spread-constraints.md
+++ b/content/en/docs/concepts/workloads/pods/pod-topology-spread-constraints.md
@@ -66,7 +66,7 @@ Instead of manually applying labels, you can also reuse the [well-known labels](
 
 The API field `pod.spec.topologySpreadConstraints` is defined as below:
 
-```
+```yaml
 apiVersion: v1
 kind: Pod
 metadata: