Update button wording (#13933)

* Update button block description by using wording about link.

* Add keyword: link.

* Update index.js

packages/block-library/src/button/index.js

@@ -64,12 +64,14 @@ const colorsMigration = ( attributes ) => {
 export const settings = {
 	title: __( 'Button' ),
 
-	description: __( 'Prompt visitors to take action with a custom button.' ),
+	description: __( 'Prompt visitors to take action with a button-style link.' ),
 
 	icon: <SVG viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><Path fill="none" d="M0 0h24v24H0V0z" /><G><Path d="M19 6H5c-1.1 0-2 .9-2 2v8c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2zm0 10H5V8h14v8z" /></G></SVG>,
 
 	category: 'layout',
 
+	keywords: [ __( 'link' ) ],
+
 	attributes: blockAttributes,
 
 	supports: {