fix broken link :https://github.com/kubernetes/community/blob/master/contributors/devel/cri-validation.md

Author: CriaHu

CHANGELOG-1.7.md

@@ -1707,7 +1707,7 @@ Features for this release were tracked via the use of the [kubernetes/features](
 
 ### **Node Components**
 #### Container Runtime Interface
-* [alpha] CRI validation testing, which provides a test framework and a suite of tests to validate that the CRI server implementation meets all the requirements. This allows the CRI runtime developers to verify that their runtime conforms to CRI, without needing to set up Kubernetes components or run Kubernetes end-to-end tests. ([docs](https://github.com/kubernetes/community/blob/master/contributors/devel/cri-validation.md) and [release notes](https://github.com/kubernetes-incubator/cri-tools/releases/tag/v0.1)) ([kubernetes/features#292](https://github.com/kubernetes/enhancements/issues/292))
+* [alpha] CRI validation testing, which provides a test framework and a suite of tests to validate that the CRI server implementation meets all the requirements. This allows the CRI runtime developers to verify that their runtime conforms to CRI, without needing to set up Kubernetes components or run Kubernetes end-to-end tests. ([docs](https://github.com/kubernetes/community/blob/master/contributors/devel/sig-node/cri-validation.md) and [release notes](https://github.com/kubernetes-incubator/cri-tools/releases/tag/v0.1)) ([kubernetes/features#292](https://github.com/kubernetes/enhancements/issues/292))
 
 * [alpha] Adds support of container metrics in CRI ([docs PR](https://github.com/kubernetes/community/pull/742)) ([kubernetes/features#290](https://github.com/kubernetes/enhancements/issues/290))