Correction to: Nature Reviews Microbiology https://doi.org/10.1038/s41579-022-00709-w, published online 15 March 2022.

Unfortunately, misspellings were introduced during the production process. The second sentence in the introduction and the ‘Flagella’ glossary term have now been updated to read “strategies for motility exist, including twitching” and “filaments that generate”, respectively.