If you've mistakenly misspelled "unberella" as opposed to "umbrella", worry not! Here are some suggestions to correct the error: 1) Start by replacing the letter 'n' with 'm', forming "umberella". 2) Now swap the 'e' with 'r', giving you "umbrerella". 3) Finally, switch the final 'r' and 'e' to obtain the correct spelling: "umbrella".