diff --git a/composer.json b/composer.json
index 394724f..04aa2ed 100644
--- a/composer.json
+++ b/composer.json
@@ -1,10 +1,10 @@
 {
-    "name":"typearea/hyphenator",
+    "name":"pw6/hyphenator",
     "type":"library",
     "description":"Hyphenator is a cache-enabled PHP port of the JavaScript Hyphenator.js by Mathias Nater, and this is a bugfix fork of github.com/webrocker/hyphenator",
     "keywords":["hyphenator", "hyphenation", "hyphenate"],
     "homepage":"https://github.com/typearea/hyphenator",
-    "license":"New BSD",
+    "license":"BSD-3-Clause",
     "authors":[
         {
             "name":"Marco Fischer",
diff --git a/src/Hyphenator/Cache/MemcachedCache.php b/src/Hyphenator/Cache/MemcachedCache.php
index c56edd7..98e2677 100644
--- a/src/Hyphenator/Cache/MemcachedCache.php
+++ b/src/Hyphenator/Cache/MemcachedCache.php
@@ -38,7 +38,7 @@ class MemcachedCache implements CacheInterface
      */
     protected $connection = null;
 
-    public function __construct(\Memcache $connection = null)
+    public function __construct(?\Memcache $connection = null)
     {
         if (!extension_loaded('memcache')) {
             throw new MissingExtensionException('PHP extension memcache ist not loaded. You cannot use this cache.');
@@ -61,4 +61,4 @@ public function store($cacheKey, $data)
     {
         return $this->connection->set($cacheKey, $data);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Hyphenator/Core.php b/src/Hyphenator/Core.php
index 95f0f6b..e11d48d 100644
--- a/src/Hyphenator/Core.php
+++ b/src/Hyphenator/Core.php
@@ -105,7 +105,7 @@ class Core
      * @param null $patternsPath
      * @param Cache\CacheInterface $cache
      */
-    public function __construct($patternsPath = null, CacheInterface $cache = null)
+    public function __construct($patternsPath = null, ?CacheInterface $cache = null)
     {
         if ($patternsPath) {
             $this->patternsPath = realpath($patternsPath);