diff --git a/library/config.php b/library/config.php
index bd8d31e2c..22d2b6507 100644
--- a/library/config.php
+++ b/library/config.php
@@ -151,6 +151,7 @@ $bb_cfg['pm_url'] = 'privmsg.php'; # "http://{$domain_name}/privmsg.php"
 // Language
 $bb_cfg['charset'] = 'UTF-8'; // page charset
 $bb_cfg['lang'] = [
+    // Список доступных языков для выбора
     'af' => [
         'name' => 'Afrikaans',
         'locale' => 'af_ZA.UTF-8',
@@ -343,14 +344,15 @@ $bb_cfg['lang'] = [
 
 // Templates
 $bb_cfg['templates'] = [
+    // Список доступных шаблонов для выбора
     'default' => 'TorrentPier',
 ];
 
-$bb_cfg['tpl_name'] = 'default';
+$bb_cfg['tpl_name'] = 'default'; // Активный шаблон по умолчанию
 $bb_cfg['stylesheet'] = 'main.css';
 
-$bb_cfg['show_sidebar1_on_every_page'] = false;
-$bb_cfg['show_sidebar2_on_every_page'] = false;
+$bb_cfg['show_sidebar1_on_every_page'] = false; // Показывать левый сайд-бар на каждой странице
+$bb_cfg['show_sidebar2_on_every_page'] = false; // Показывать правый сайд-бар на каждой странице
 
 // Cookie
 $bb_cfg['cookie_domain'] = in_array($domain_name, [$_SERVER['SERVER_ADDR'], 'localhost'], true) ? '' : ".$domain_name";
@@ -481,7 +483,7 @@ $bb_cfg['allow_search_in_bool_mode'] = true;
 $bb_cfg['max_search_words_per_post'] = 200; // максимальное число слов в рамках одного поста
 $bb_cfg['search_min_word_len'] = 3; // минимальное число слов для поиска
 $bb_cfg['search_max_word_len'] = 35; // максимальное число слов для поиска
-$bb_cfg['limit_max_search_results'] = false;
+$bb_cfg['limit_max_search_results'] = false; // лимит на максимальное число результатов поиска (false - отключено)
 
 // Posting
 $bb_cfg['prevent_multiposting'] = true; // replace "reply" with "edit last msg" if user (not admin or mod) is last topic poster
@@ -516,6 +518,7 @@ $bb_cfg['tidy_post'] = in_array('tidy', get_loaded_extensions(), true);
 $bb_cfg['mem_on_start'] = memory_get_usage();
 $bb_cfg['translate_dates'] = true; // in displaying time
 $bb_cfg['use_word_censor'] = true;
+$bb_cfg['show_jumpbox'] = true;
 
 $bb_cfg['last_visit_date_format'] = 'd-M H:i';
 $bb_cfg['last_post_date_format'] = 'd-M-y H:i';
@@ -526,8 +529,6 @@ $bb_cfg['allow_change'] = [
     'dateformat' => true,
 ];
 
-$bb_cfg['show_jumpbox'] = true;
-
 $bb_cfg['trash_forum_id'] = 0; // (int) 7
 
 $bb_cfg['first_logon_redirect_url'] = 'index.php';
@@ -648,12 +649,12 @@ $bb_cfg['tracker'] = [
     'limit_seed_ips' => 0,
     'limit_leech_ips' => 0,
     'tor_topic_up' => true,
-    'gold_silver_enabled' => true,
     'retracker' => true,
     'retracker_host' => 'http://retracker.local/announce',
-    'freeleech' => false,
     'guest_tracker' => true,
-    'search_by_tor_status' => true
+    'search_by_tor_status' => true,
+    'freeleech' => false, // freelech mode (If enabled, then disable "gold_silver_enabled")
+    'gold_silver_enabled' => true // golden / silver days mode (If enabled, then disable "freeleech")
 ];
 
 // Ratio settings
diff --git a/library/defines.php b/library/defines.php
index 573d3b052..c3e138826 100644
--- a/library/defines.php
+++ b/library/defines.php
@@ -72,17 +72,17 @@ define('SQL_SLOW_QUERY_TIME', 10); // slow query in seconds
 define('SQL_PREPEND_SRC_COMM', false); // prepend source file comment to sql query
 
 // Log options
-define('LOG_EXT', 'log');
+define('LOG_EXT', 'log'); // log file extension
 define('LOG_SEPR', ' | ');
 define('LOG_LF', "\n");
 define('LOG_MAX_SIZE', 1048576); // bytes
 
 // Error reporting
-ini_set('error_reporting', E_ALL);
-ini_set('display_errors', 0);
-ini_set('display_startup_errors', 0);
-define('MYSQLI_ERROR_REPORTING', MYSQLI_REPORT_ERROR);
-ini_set('log_errors', 1);
+ini_set('error_reporting', E_ALL); // PHP error reporting mode | https://www.php.net/manual/en/errorfunc.constants.php
+ini_set('display_errors', 0); // Show general php errors
+ini_set('display_startup_errors', 0); // Show startup php errors
+define('MYSQLI_ERROR_REPORTING', MYSQLI_REPORT_ERROR); // MySQL error reporting mode | https://www.php.net/manual/mysqli-driver.report-mode.php
+ini_set('log_errors', 1); // php native logging
 ini_set('error_log', LOG_DIR . '/php_errors.log'); // path to log file enabled only if log_errors == 1 (native)
 define('WHOOPS_LOG_FILE', LOG_DIR . '/php_whoops.log'); // log file enabled only if log_errors == 1 (whoops)
 
diff --git a/viewtopic.php b/viewtopic.php
index afcf5e266..fcd71a56b 100644
--- a/viewtopic.php
+++ b/viewtopic.php
@@ -572,7 +572,7 @@ for ($i = 0; $i < $total_posts; $i++) {
     $max_post_time = max($max_post_time, $postrow[$i]['post_time']);
     $poster_posts = ($poster_id != GUEST_UID) ? $postrow[$i]['user_posts'] : '';
     $poster_from = ($postrow[$i]['user_from'] && $poster_id != GUEST_UID) ? $postrow[$i]['user_from'] : '';
-    $poster_joined = ($poster_id != GUEST_UID) ? $lang['JOINED'] . ': ' . bb_date($postrow[$i]['user_regdate'], 'Y-m-d H:i', false) : '';
+    $poster_joined = ($poster_id != GUEST_UID) ? $lang['JOINED'] . ': ' . bb_date($postrow[$i]['user_regdate'], 'Y-m-d H:i') : '';
     $poster_longevity = ($poster_id != GUEST_UID) ? delta_time($postrow[$i]['user_regdate']) : '';
     $post_id = $postrow[$i]['post_id'];
     $mc_type = $postrow[$i]['mc_type'];