Merge pull request zendframework/zendframework#5761

src/Filter/Validator.php

@@ -39,7 +39,7 @@ public function __construct($validator)
         }
         if (!$validator instanceof ZendValidator) {
             throw new Exception\InvalidArgumentException(sprintf(
-                'Parameter of type %s is invalid; must implements Zend\Validator\ValidatorInterface',
+                'Parameter of type %s is invalid; must implement Zend\Validator\ValidatorInterface',
                 (is_object($validator) ? get_class($validator) : gettype($validator))
             ));
         }

src/Processor/Backtrace.php

@@ -60,7 +60,7 @@ public function process(array $event)
     }
 
     /**
-     * Provide backtrace as slim as posible
+     * Provide backtrace as slim as possible
      *
      * @return  array:
      */