Export of internal Abseil changes

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306a7201c5d9fd2fa5bd4f50ea46a61e1f69925b by Abseil Team <absl-team@google.com>:

Minor documentation cleanup.

PiperOrigin-RevId: 330546393

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f62a256057797d0a85715ed944760fa62e1ce7a1 by Abseil Team <absl-team@google.com>:

Fix typo in comment abls:: -> absl::

PiperOrigin-RevId: 330286163
GitOrigin-RevId: 306a7201c5d9fd2fa5bd4f50ea46a61e1f69925b
Change-Id: I9ac174396d1b0fcf9b3e0b8a2b00e088b3eb69cd

absl/status/status.h

@@ -20,14 +20,14 @@
 //
 //   * An `absl::Status` class for holding error handling information
 //   * A set of canonical `absl::StatusCode` error codes, and associated
-//     utilities for generating and propogating status codes.
+//     utilities for generating and propagating status codes.
 //   * A set of helper functions for creating status codes and checking their
 //     values
 //
 // Within Google, `absl::Status` is the primary mechanism for gracefully
 // handling errors across API boundaries (and in particular across RPC
 // boundaries). Some of these errors may be recoverable, but others may not.
-// Most functions which can produce a recoverable error should be designed to
+// Most functions that can produce a recoverable error should be designed to
 // return an `absl::Status` (or `absl::StatusOr`).
 //
 // Example:
@@ -332,7 +332,7 @@ std::ostream& operator<<(std::ostream& os, StatusCode code);
 //     case absl::StatusCode::kPermissionDenied:
 //       LOG(ERROR) << result;
 //       break;
-//     // Propogate the error otherwise
+//     // Propagate the error otherwise.
 //     default:
 //       return true;
 //   }

absl/status/statusor.h

@@ -98,7 +98,7 @@ class BadStatusOrAccess : public std::exception {
 template <typename T>
 class ABSL_MUST_USE_RESULT StatusOr;
 
-// abls::StatusOr<T>
+// absl::StatusOr<T>
 //
 // The `absl::StatusOr<T>` class template is a union of an `absl::Status` object
 // and an object of type `T`. The `absl::StatusOr<T>` models an object that is