Parse error: syntax error, unexpected '$table_prefix' (T_VARIABLE) in C:\xampp\htdocs\superlative\wp-config.php on line 66

Parse error: syntax error, unexpected '$table_prefix' (T_VARIABLE) in C:\xampp\htdocs\superlative\wp-config.php on line 66

this is the line 66 below
define( 'NONCE_SALT',       'v-$s(N;Bt)34 cQ%-m|/8qa3g$,jJ3H;@AnBXK}&hV|$Jkv*d.k<b{YE}>9152hU' );
define( 'WP_MAX_MEMORY_LIMIT', '500M' )
/**#@-*/

/**
 * WordPress Database Table prefix.
 *
 * You can have multiple installations in one database if you give each
 * a unique prefix. Only numbers, letters, and underscores please!
 */
66. $table_prefix = 'wp_';