Hi Shorena,
Thanks for the reply. So even if I were to make changes offline and re-import to a new wallet online, the changes would not be synced?
You cant do the change offline. The transaction is known to several thousand nodes in the network. You can take your private key to an offline machine, but that does not change the transactions know to the nodes online.
If those coins are not needed for you immediately, or you those transactions are for just testing purpose, then leave it as is. It will be confirmed when pools don't get paid transactions. However, if you want to make it spendable immediately then you need to go with the RBF concept of double spending. Or use CPFP method to send the transaction with a fee. My guess you just leave it as it is. It will be confirmed later without a double spend issue.
RBF (replace by fee) is not implemented yet. No node that knows about the frist TX (A) will relay the second (B) competing TX. Even if RBF would already be implemented, the TX A would have to be made in a specific way before broadcasting to allow RBF at all.