This is just another example of where using a commander format, or a GUI tool,
makes things much easier. When you just click on a name, or drag to it, you can't spell it wrong, can you? ;-)
Glad to hear things worked out!

Absolutely - I'm glad another Linux has said this! Having to delve into the command line makes things much less enjoyable. Expecting noobs to learn it is unreasonable considering this machine is now my family machine. I don't have time to act as the system administrator.

On this particular problem, Dolphin just said that access was denied. I didn't know how to change permissions/user in Dolphin.

The Linux in general is just case sensitive. That is not too much to ask for. And if you really do not remember names always, you can always use the double tab and it will show you all the files and folders in that particular location.