Update keps/sig-api-machinery/2876-crd-validation-expression-language/README.md

Co-authored-by: Jordan Liggitt <[email protected]>

Author: jpbetz

keps/sig-api-machinery/2876-crd-validation-expression-language/README.md

@@ -236,7 +236,7 @@ extension in the schema. In the above example, the validator is scoped to the
 `spec` field. `self` will be used to represent the name of the field which the validator
 is scoped to.
 
-  - Consideration under adding the representative of scoped filed name: There would be composition
+  - Consideration under adding the representative of scoped field name: There would be composition
     problem while generating CRD with tools like `controller-gen`.  When trying to add validation as
     a marker comment to a field, the validation rule will be hard to define without the actual field
     name. As the example showing below. When we want to put cel validation on ToySpec, the field