README: Fix ticket #15 copy-paste errors
README: Fix ticket #15 copy-paste errors

Thanks to @spaghetti2514 for noticing.
davesteele/gocryptfs,davesteele/gocryptfs,rfjakob/gocryptfs,rfjakob/gocryptfs,rfjakob/gocryptfs,rfjakob/gocryptfs,davesteele/gocryptfs