system/how-to/Mint-ARK-for-Existing-Work.md

@@ -7,15 +7,15 @@ Run the following from the Rails console.
 ##### For ordinary RUB work
 
 ```ruby
-dataset_id = “73666519p”
-d = Dataset.find(‘dataset_id’)
+dataset_id = '73666519p'
+d = Dataset.find('dataset_id')
 d.register_ark
 ```
 
 ##### For CRC1280 works
 
 ```ruby
-crc_dataset_id = “h415pb224”
-d = CrcDataset.find(‘crc_dataset_id’)
+crc_dataset_id = 'h415pb224'
+d = CrcDataset.find('crc_dataset_id')
 d.register_ark
 ```
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