Correction to: Trials (2020) 21:945

https://doi.org/10.1186/s13063-020-04837-7

After publication of the original article [1], we were notified that a typo had been included in the title.

Originally published title:

“One Plus One Equals Two—will that do? A trial protocol for a Swedish multicentre randomised controlled trial to evaluate a clinical practice to reduce severe perineal trauma {1}”

Correct title:

“One Plus One Equals Two—will that do? A trial protocol for a Swedish multicentre randomised controlled trial to evaluate a clinical practice to reduce severe perineal trauma ".

The original article has been corrected.