Revert changes to array example value - fix #353

Author: shalvah

src/Mpociot/ApiDoc/Generators/AbstractGenerator.php

@@ -528,7 +528,7 @@ protected function parseRule($rule, $attribute, &$attributeData, $seed, $routeDa
                 $attributeData['type'] = $rule;
                 break;
             case 'array':
-                $attributeData['value'] = [$faker->word];
+                $attributeData['value'] = $faker->word;
                 $attributeData['type'] = $rule;
                 $attributeData['description'][] = Description::parse($rule)->getDescription();
                 break;