Remove stray word from `ClosureKind::extends` docs
Remove stray word from `ClosureKind::extends` docs
graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust