fix: typos

Signed-off-by: calciumbe <192480234+calciumbe@users.noreply.github.com>

Author: calciumbe

alloc/src/raw_vec.rs

@@ -420,7 +420,7 @@ impl<A: Allocator> RawVecInner<A> {
         match Self::try_allocate_in(capacity, AllocInit::Uninitialized, alloc, elem_layout) {
             Ok(this) => {
                 unsafe {
-                    // Make it more obvious that a subsquent Vec::reserve(capacity) will not allocate.
+                    // Make it more obvious that a subsequent Vec::reserve(capacity) will not allocate.
                     hint::assert_unchecked(!this.needs_to_grow(0, capacity, elem_layout));
                 }
                 this

std/src/thread/current.rs

@@ -136,7 +136,7 @@ pub(crate) fn set_current(thread: Thread) -> Result<(), Thread> {
 /// one thread and is guaranteed not to call the global allocator.
 #[inline]
 pub(crate) fn current_id() -> ThreadId {
-    // If accessing the persistant thread ID takes multiple TLS accesses, try
+    // If accessing the persistent thread ID takes multiple TLS accesses, try
     // to retrieve it from the current thread handle, which will only take one
     // TLS access.
     if !id::CHEAP {