diff --git a/src/Prometheus/CollectorRegistry.php b/src/Prometheus/CollectorRegistry.php
index 541e1d8..34674b8 100644
--- a/src/Prometheus/CollectorRegistry.php
+++ b/src/Prometheus/CollectorRegistry.php
@@ -38,11 +38,11 @@ class CollectorRegistry
 
     /**
      * CollectorRegistry constructor.
-     * @param Adapter $redisAdapter
+     * @param Adapter $adapter
      */
-    public function __construct(Adapter $redisAdapter)
+    public function __construct(Adapter $adapter)
     {
-        $this->storageAdapter = $redisAdapter;
+        $this->storageAdapter = $adapter;
     }
 
     /**