Added docs for kubernetes.io/description

Author: Manish Kumar

content/en/docs/reference/labels-annotations-taints.md

@@ -72,6 +72,14 @@ This annotation is a best guess at why something was changed.
 
 It is populated when adding `--record` to a `kubectl` command that may change an object.
 
+## kubernetes.io/description {#description}
+
+Example: `kubernetes.io/description: "Description of K8s object."`
+
+Used on: All Objects
+
+This annotation is used for describing specific behaviour of given object.
+
 ## controller.kubernetes.io/pod-deletion-cost {#pod-deletion-cost}
 
 Example: `controller.kubernetes.io/pod-deletion-cost=10`
@@ -464,4 +472,4 @@ This annotation has been deprecated since Kubernetes v1.19 and will become non-f
 The tutorial [Restrict a Container's Syscalls with seccomp](/docs/tutorials/clusters/seccomp/) takes
 you through the steps you follow to apply a seccomp profile to a Pod or to one of
 its containers. That tutorial covers the supported mechanism for configuring seccomp in Kubernetes,
-based on setting `securityContext` within the Pod's `.spec`.
+based on setting `securityContext` within the Pod's `.spec`.