docs: Tweak comments on Mailbox
@@ -10,16 +10,15 @@ use std::sync::Arc;
/// * Allows data to continue to arrive whilst data is being consumed
/// * Allows multiple consumers to coordinate preventing concurrent consumption
///
-/// This is different than a tokio channel in the following ways:
+/// This is different from a tokio channel in the following ways:
///
-/// 1. The contents can be inspected prior to remval from the mailbox
+/// 1. The contents can be inspected prior to removal from the mailbox
/// (important as catalog transactions are fallible)
///
/// 2. Potentially multiple consumers can acquire exclusive access for
/// the duration of a catalog transaction
///
-/// 3. Users can ensure that everything in the mailbox is
-/// consumed
+/// 3. Users can ensure that everything in the mailbox is consumed
///
#[derive(Debug)]
pub struct Mailbox<T> {
