Update content/en/docs/reference/using-api/api-concepts.md

Co-authored-by: Tim Bannister <tim@scalefactory.com>

content/en/docs/reference/using-api/api-concepts.md

@@ -676,7 +676,7 @@ The two situations where this will occur are:
    fields via `x-kubernetes-preserve-unknown-fields`).
 2. The field is duplicated in the object.
 
-Provided that the `ServerSideFieldValidation` feature gate is enabled (disabled
+Provided that the `ServerSideFieldValidation` [feature gate](/docs/reference/command-line-tools-reference/feature-gates/) is enabled (disabled
 by default in 1.23 and 1.24, enabled by default starting in 1.25), you can take
 advantage of server side field validation to catch these unrecognized fields.