Docs: Corrections and improvements to docblocks for function and hooks relating to fatal error handling.

See #54729


git-svn-id: https://develop.svn.wordpress.org/trunk@53316 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/customize/class-wp-customize-selective-refresh.php

@@ -281,7 +281,7 @@ final class WP_Customize_Selective_Refresh {
 	 * @param int    $errno   Error number.
 	 * @param string $errstr  Error string.
 	 * @param string $errfile Error file.
-	 * @param string $errline Error line.
+	 * @param int    $errline Error line.
 	 * @return true Always true.
 	 */
 	public function handle_error( $errno, $errstr, $errfile = null, $errline = null ) {