fix HTML typo

init.php

@@ -8,7 +8,7 @@ set_error_handler(function ($level, $message, $file = '', $line = 0) {
 set_exception_handler(function ($e) {
 	error_log((string) $e);
 	http_response_code(500);
-	echo '<h1>Error</h1><p>An error occured.<p>' . LF;
+	echo '<h1>Error</h1><p>An error occured.</p>' . LF;
 });
 register_shutdown_function(function () { // Also catch fatal errors
 	if (($error = error_get_last()) !== NULL)