Auto merge of #6276 - dp304:patch-1, r=llogiq
Auto merge of #6276 - dp304:patch-1, r=llogiq

Fix typo in adding_lints.md

changelog: none

aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust