Fix typos

Author: dwightwatson

src/ValidatingInterface.php

@@ -141,7 +141,7 @@ public function forceSave();
      *
      * @return void
      *
-     * @throws ValidatingException
+     * @throws ValidationException
      */
     public function saveOrFail();
 

src/ValidationException.php

@@ -40,7 +40,7 @@ public function model()
     }
 
     /**
-     * Get the mdoel with validation errors.
+     * Get the model with validation errors.
      *
      * @return Model
      */