Add space to doc comment of fds
@@ -64,9 +64,11 @@ impl FdSet {
self.fds(None).next_back()
}
- /// Returns an iterator over the file descriptors in the set. For
- /// performance, it takes an optional higher bound: the iterator will not
- /// return any elements of the set greater than the given file descriptor.
+ /// Returns an iterator over the file descriptors in the set.
+ ///
+ /// For performance, it takes an optional higher bound: the iterator will
+ /// not return any elements of the set greater than the given file
+ /// descriptor.
///
/// # Examples
///
