diff --git a/pChart4mw.class.php b/pChart4mw.class.php
index 6c8d70e..8ceb6d9 100755
--- a/pChart4mw.class.php
+++ b/pChart4mw.class.php
@@ -1431,7 +1431,7 @@ public static function renderParserFunction() {
 			}
 
 			// Call the base method and return the HTML code. The parameters noparse and isHTML are set
-			// because otherwise the returned code is not handled as HTML code. See http://www.mediawiki.org/wiki/Manual:Parser_functions
+			// because otherwise the returned code is not handled as HTML code. See https://www.mediawiki.org/wiki/Manual:Parser_functions
 			return array( 
                             call_user_func( array( $className, 'render' ), $data, $args, $parser ),
                             'noparse' => true,
diff --git a/pChart4mw.org.php b/pChart4mw.org.php
index 504748f..3512a50 100755
--- a/pChart4mw.org.php
+++ b/pChart4mw.org.php
@@ -3,7 +3,7 @@
 	 * pChart4mw.php
 	 * provide tags for drawing charts easily using pChart.
 	 * written by Robert Horlings
-	 * http://www.mediawiki.org/wiki/Extension:pChart4mw
+	 * https://www.mediawiki.org/wiki/Extension:pChart4mw
 	 *
 	 * To configure the functionality of this extension include the following in your
 	 * LocalSettings.php file:
@@ -30,7 +30,7 @@
 		"name" 			=> "pChart4mw",
 		"version"		=> "1.3.2",
 		"author" 		=> "Robert Horlings, Gérard de Smaele",
-		"url" 			=> "http://www.mediawiki.org/wiki/Extension:Pchart4mw",
+		"url" 			=> "https://www.mediawiki.org/wiki/Extension:Pchart4mw",
 		"description" 	=> "Provides tags for creating different types of pChart graphs: bar, line, pie, radar, scatter and bubble charts."
 	);
 
@@ -134,7 +134,7 @@ function wfPChart4mwSetup() {
 	/**
          * Sets magic words in order to use parser functions
          * 
-         * @see http://www.mediawiki.org/wiki/Manual:Parser_functions
+         * @see https://www.mediawiki.org/wiki/Manual:Parser_functions
          * @param <type> $magicWords
          * @param <type> $langCode
          * @return <type> 
diff --git a/pChart4mw.php b/pChart4mw.php
index 588a706..f1eeef3 100755
--- a/pChart4mw.php
+++ b/pChart4mw.php
@@ -3,7 +3,7 @@
 	 * pChart4mw.php
 	 * provide tags for drawing charts easily using pChart.
 	 * written by Robert Horlings
-	 * http://www.mediawiki.org/wiki/Extension:pChart4mw
+	 * https://www.mediawiki.org/wiki/Extension:pChart4mw
 	 *
 	 * To configure the functionality of this extension include the following in your
 	 * LocalSettings.php file:
@@ -30,7 +30,7 @@
 		"name" 			=> "pChart4mw",
 		"version"		=> "1.4.0",
 		"author" 		=> "Robert Horlings, Gérard de Smaele",
-		"url" 			=> "http://www.mediawiki.org/wiki/Extension:Pchart4mw",
+		"url" 			=> "https://www.mediawiki.org/wiki/Extension:Pchart4mw",
 		"description" 	=> "Provides tags for creating different types of pChart graphs: bar, line, pie, radar, scatter and bubble charts."
 	);
 
@@ -140,7 +140,7 @@ function wfPChart4mwSetupGlobal() {
 	/**
          * Sets magic words in order to use parser functions
          * 
-         * @see http://www.mediawiki.org/wiki/Manual:Parser_functions
+         * @see https://www.mediawiki.org/wiki/Manual:Parser_functions
          * @param <type> $magicWords
          * @param <type> $langCode
          * @return <type> 
diff --git a/pChartWebservice.php b/pChartWebservice.php
index ad8a124..c10f09a 100755
--- a/pChartWebservice.php
+++ b/pChartWebservice.php
@@ -3,7 +3,7 @@
 	 * pChartWebservice.php
 	 * Webservice to generate charts using pChart
 	 * written by Robert Horlings
-	 * http://www.mediawiki.org/wiki/Extension:pChart4mw
+	 * https://www.mediawiki.org/wiki/Extension:pChart4mw
 	 *
 	 */