Update spec/Section 4 -- Composition.md

Co-authored-by: Glen <[email protected]>

spec/Section 4 -- Composition.md

@@ -69,7 +69,7 @@ ValidateDefaultValue(defaultValue):
 **Explanatory Text**
 
 This rule ensures that inaccessible enum values are not exposed in the composed schema through default values.
-Output field arguments, input fields and directive arguments must only use enum values as their default value that is not annotated with the `@inaccessible` directive.
+Output field arguments, input fields, and directive arguments must only use enum values as their default value when not annotated with the `@inaccessible` directive.
 
 In this example the `FOO` value in the `Enum1` enum is not marked with
 `@inaccessible`, hence it does not violate the rule.