That all looks fine to me. Once you complete the rest of the transaction i.e. the "Pay to" box with the receiver's address and the "Amount" box with the amount you wish to send, Electrum will fill in the bottom right box with the final fee. It needs to know who you are sending to and how much you are sending first to accurately calculate the transaction size in bytes.

When you do get round to making the transaction, make sure to check the appropriate fee again, as it could have changed in the meantime. Unless, of course, you don't mind being patient and waiting a while for your transaction to complete, in which case leave the fee at 1 sat/byte to save yourself some money.