Fix Utilities.php doc
Fix Utilities.php doc

kd9000/versailles,dhootha/azure-sdk-for-php,Lead-iD/azure-sdk-for-php,stof/azure-sdk-for-php,Thraka/azure-sdk-for-php,southworkscom/azure-sdk-for-php,Avantians/azure-sdk-for-php,Azure/azure-sdk-for-php,saigyoji205/archa205,DragonBe/azure-sdk-for-php