Update containers/kubernetes/reference-content/version-support-policy.mdx

Co-authored-by: nerda-codes <[email protected]>

Author: jcirinosclwy

containers/kubernetes/reference-content/version-support-policy.mdx

@@ -76,7 +76,7 @@ The following documentation only lists the main feature changes for each version
 
 ### 1.31
 * Official [release announcement](https://kubernetes.io/blog/2024/08/13/kubernetes-v1-31-release/)
-* 45 enhancements: 11 have graduated to Stable, 22 are entering Beta, and 12 have graduated to Alpha.
+* 45 enhancements: 11 have graduated to stable, 22 are entering beta, and 12 have graduated to alpha.
 
 ### 1.30
 * Official [release announcement](https://kubernetes.io/blog/2024/04/17/kubernetes-v1-30-release/)