Hyperlink to support period update (#33007)

* Hyperlink to support period update

* Update _index.md

content/en/releases/_index.md

@@ -7,7 +7,7 @@ type: docs
 
 <!-- overview -->
 
-The Kubernetes project maintains release branches for the most recent three minor releases ({{< skew latestVersion >}}, {{< skew prevMinorVersion >}}, {{< skew oldestMinorVersion >}}).  Kubernetes 1.19 and newer receive approximately 1 year of patch support. Kubernetes 1.18 and older received approximately 9 months of patch support.
+The Kubernetes project maintains release branches for the most recent three minor releases ({{< skew latestVersion >}}, {{< skew prevMinorVersion >}}, {{< skew oldestMinorVersion >}}).  Kubernetes 1.19 and newer receive [approximately 1 year of patch support](/releases/patch-releases/#support-period). Kubernetes 1.18 and older received approximately 9 months of patch support.
 
 Kubernetes versions are expressed as **x.y.z**,
 where **x** is the major version, **y** is the minor version, and **z** is the patch version, following [Semantic Versioning](https://semver.org/) terminology.
@@ -24,4 +24,4 @@ More information in the [version skew policy](/releases/version-skew-policy/) do
 
 Check out the [schedule](https://github.com/kubernetes/sig-release/tree/master/releases/release-{{< skew nextMinorVersion >}}) for the upcoming **{{< skew nextMinorVersion >}}** Kubernetes release!
 
-## Helpful Resources
+## Helpful Resources