/* Change Text with functions.php */ 
function jnews_change_text( $translated_text, $text, $domain ) {
	switch ( $translated_text ) {
		case 'Submit Post' :
			$translated_text = __( 'Translated Submit Post' );
			break;
		case 'Edit Account' :
			$translated_text = __( 'Translated Edit Account' );
			break;
	}
    return $translated_text;
}

add_filter( 'gettext', 'jnews_change_text', 20, 3 );