Fix pr

readme.md

@@ -236,28 +236,39 @@ ow(1, 'input', ow.number.validate(value => ({
 //=> ArgumentError: Expected number `input` to be greater than 10, got 1
 ```
 
-#### message(fn | string)
+#### message(string | fn)
 
-Provide a custom message
+Provide a custom message:
 
 ```ts
 ow('🌈', 'unicorn', ow.string.equals('🦄').message('Expected unicorn, got rainbow'));
 //=> ArgumentError: Expected unicorn, got rainbow
 ```
 
-You can also pass in a function as `message` value which accepts the label as argument.
+You can also pass in a function which receives the value as the first parameter and the label as the second parameter and is expected to return the message.
 
 ```ts
-ow('🌈', ow.string.minLength(5).message((value, label) => `Expected ${label}, to be have a minimum length of 5, got \`${value}\``));
+ow('🌈', ow.string.minLength(5).message((value, label) => `Expected ${label}, to have a minimum length of 5, got \`${value}\``));
 //=> ArgumentError: Expected string, to be have a minimum length of 5, got `🌈`
 ```
 
-If you want to add a different message per validation it is possible
+It's also possible to add a separate message per validation:
 
 ```ts
-ow('1234', ow.string.minLength(5).message((value, label) => `Expected ${label}, to be have a minimum length of 5, got \`${value}\``).url.message('This is no url'));
+ow(
+	'1234',
+	ow.string
+		.minLength(5).message((value, label) => `Expected ${label}, to be have a minimum length of 5, got \`${value}\``)
+		.url.message('This is no url')
+);
 //=> ArgumentError: Expected string, to be have a minimum length of 5, got `1234`
-ow('12345', ow.string.minLength(5).message((value, label) => `Expected ${label}, to be have a minimum length of 5, got \`${value}\``).url.message('This is no url'));
+
+ow(
+	'12345',
+	ow.string
+		.minLength(5).message((value, label) => `Expected ${label}, to be have a minimum length of 5, got \`${value}\``)
+		.url.message('This is no url')
+);
 //=> ArgumentError: This is no url
 ```
 
@@ -272,4 +283,3 @@ This can be useful for creating your own reusable validators which can be extrac
 
 - [@sindresorhus/is](https://github.com/sindresorhus/is) - Type check values
 - [ngx-ow](https://github.com/SamVerschueren/ngx-ow) - Angular form validation on steroids
-

source/predicates/predicate.ts

@@ -4,6 +4,9 @@ import {not} from '../operators/not';
 import {BasePredicate, testSymbol} from './base-predicate';
 import {Main} from '..';
 
+/**
+@hidden
+ */
 export type ValidatorMessage<T> = (value: T, label?: string) => string;
 
 /**
@@ -167,9 +170,9 @@ export class Predicate<T = unknown> implements BasePredicate<T> {
 	}
 
 	/**
-	Override the message thrown
+	Provide an new error message to be thrown when the validation fails.
 
-	@param newMessage | Either a string containing the new message or a function returning the new message
+	@param newMessage - Either a string containing the new message or a function returning the new message
 	*/
 	message(newMessage: string | ValidatorMessage<T>) {
 		const {validators} = this.context;