Merge branch 'hotfix/5421'

Close zendframework/zendframework#5421

src/PatternPluginManager.php

@@ -14,7 +14,7 @@
 /**
  * Plugin manager implementation for cache pattern adapters
  *
- * Enforces that adatpers retrieved are instances of
+ * Enforces that retrieved adapters are instances of
  * Pattern\PatternInterface. Additionally, it registers a number of default
  * patterns available.
  */