chore: fix readme (#764)

Signed-off-by: Charles-Edouard Brétéché <[email protected]>

README.md

@@ -25,7 +25,7 @@ Anyone and everyone is welcome to write and contribute Kyverno policies! We have
 
 * Provide test resources (where possible) which allow your policy to be validated using the Kyverno CLI. See an example of a complete policy, resource, and test [here](https://github.com/kyverno/policies/tree/main/pod-security/baseline/disallow-capabilities). If unfamiliar with the Kyverno CLI and its test ability, please see the documentation [here](https://kyverno.io/docs/testing-policies/).
 
-* For `validate` rules, please set `validationFailureAction: audit` so that should a user download and apply the policy without having a yet full understanding of Kyverno, it will not cause unintended harm to their environment by blocking resources.
+* For `validate` rules, please set `validationFailureAction: Audit` so that should a user download and apply the policy without having a yet full understanding of Kyverno, it will not cause unintended harm to their environment by blocking resources.
 
 * String values do not need to be quoted nor do values which contain JMESPath expressions such as `{{request.operation}}`. The exception is if a field's value is *only* such an expression. In those cases, the JMESPath expression needs to be double quoted.