A more thorough explanation:

Definition: A misnomer is when something is given the wrong name.

For example, if someone calls a dog a cat, that would be a misnomer. Another example would be if a street is named "Main Street" but it's actually a small alleyway, that would also be a misnomer.

In legal terms, a misnomer can cause problems in legal documents. If someone is named incorrectly in a legal document, it can be corrected by making an amendment. This amendment will relate back to the original document, so it's important to correct any misnomers as soon as possible.