diff --git a/changelog.md b/changelog.md
index 697f7a14..a9e31d90 100644
--- a/changelog.md
+++ b/changelog.md
@@ -3,9 +3,14 @@
 * Added Tagalog translation, thanks to @StoneArtz
 * Updated Hungarian translations
 * Updated Dutch translations
+* Updated Slovenian translation (@filips123)
+* Updated Italian translation (@sabas)
+* Updated Norwegian translation (@aleskr)
+* Updated Indonesian translation (@mylastof)
 * Add constants for common values, such as `text/html` and `quoted-printable`, and use them
 * Added support for copied headers in DKIM, helping with debugging, and an option to add extra headers to the DKIM signature. See DKIM_sign example for how to use them. Thanks to @gwi-mmuths.
 * Add Campaign Monitor transaction ID pattern matcher
+* Remove deprecated constant and ini values causing warnings in PHP 7.3.
 
 ## Version 6.0.5 (March 27th 2018)
 * Re-roll of 6.0.4 to fix missed version file entry. No code changes.
diff --git a/src/PHPMailer.php b/src/PHPMailer.php
index 07466a49..93b8ff1b 100644
--- a/src/PHPMailer.php
+++ b/src/PHPMailer.php
@@ -1996,6 +1996,7 @@ class PHPMailer
             'no' => 'nb',
             'se' => 'sv',
             'sr' => 'rs',
+            'tg' => 'tl',
         ];
 
         if (isset($renamed_langcodes[$langcode])) {
@@ -3628,7 +3629,7 @@ class PHPMailer
             //Is it a valid IPv4 address?
             return (bool) filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4);
         }
-        if (filter_var('http://' . $host, FILTER_VALIDATE_URL, FILTER_FLAG_HOST_REQUIRED)) {
+        if (filter_var('http://' . $host, FILTER_VALIDATE_URL)) {
             //Is it a syntactically valid hostname?
             return true;
         }