Auto merge of #33487 - steveklabnik:rollup, r=steveklabnik

Rollup of 20 pull requests

- Successful merges: #33256, #33283, #33313, #33314, #33326, #33336, #33382, #33384, #33402, #33409, #33410, #33412, #33428, #33430, #33437, #33438, #33439, #33442, #33456, #33459
- Failed merges:

2 files changed, 3 insertions, 3 deletions

diff --git a/src/libstd/sync/barrier.rs b/src/libstd/sync/barrier.rs
index b543240c15a..b1267acdee6 100644
--- a/src/libstd/sync/barrier.rs
+++ b/src/libstd/sync/barrier.rs
@@ -71,7 +71,7 @@ impl Barrier {
         }
     }
 
-    /// Blocks the current thread until all threads has rendezvoused here.
+    /// Blocks the current thread until all threads have rendezvoused here.
     ///
     /// Barriers are re-usable after all threads have rendezvoused once, and can
     /// be used continuously.
diff --git a/src/libstd/sync/rwlock.rs b/src/libstd/sync/rwlock.rs
index 09b1b0a939d..cfb8ee16cb0 100644
--- a/src/libstd/sync/rwlock.rs
+++ b/src/libstd/sync/rwlock.rs
@@ -38,8 +38,8 @@ use sys_common::rwlock as sys;
 ///
 /// # Poisoning
 ///
-/// RwLocks, like Mutexes, will become poisoned on panics. Note, however, that
-/// an RwLock may only be poisoned if a panic occurs while it is locked
+/// An `RwLock`, like `Mutex`, will become poisoned on a panic. Note, however,
+/// that an `RwLock` may only be poisoned if a panic occurs while it is locked
 /// exclusively (write mode). If a panic occurs in any reader, then the lock
 /// will not be poisoned.
 ///