Replace "Username or Email Address" with "Uswername" with on PMPro Login Form Example

my_pmpro_replace_mail_emailandusername.php

<?php // Do not copy this line please. Copy from below.

/**
 * This filter will search your codebase for translatable strings and replace when an exact match is found.
 * Replace "Email Address" with "Username or Email Address" on PMPro Login Form 
 * Add this code with a Snippet Plugin or your own custom plugin.
 * This is an example to get you started. Use at your own risk.
 */
 
add_filter(  'gettext',  'register_text'  );
	
function register_text( $translating ) {
    $translated = str_ireplace(  'Username or Email Address',  'Username',  $translating );
    return $translated;
	}