docs: fix incomplete comment
Finishes the incomplete sentence that
@@ -125,7 +125,8 @@ impl PersistState {
/// Reading this value is extremely cheap and can be done without
/// performance concern.
///
- /// This value is eventually consistent, with a presumption of
+ /// This value is eventually consistent, with a presumption of being visible
+ /// in a reasonable amount of time.
pub(crate) fn get(&self) -> CurrentState {
// Correctness: relaxed as reading the current state is allowed to be
// racy for performance reasons; this call should be as cheap as
