Minor documentation updates.

PiperOrigin-RevId: 609064443
Change-Id: Ifaeb53ae2d50bcef1ef6f67e662173b59c3fb8a2
diff --git a/absl/base/no_destructor.h b/absl/base/no_destructor.h
index d4b16a6..ab68913 100644
--- a/absl/base/no_destructor.h
+++ b/absl/base/no_destructor.h
@@ -85,7 +85,7 @@
 // such objects should be const initialized:
 //
 //    // Global or namespace scope.
-//    ABSL_CONST_INIT absl::NoDestructor<MyRegistry> reg{"foo", "bar", 8008};
+//    constinit absl::NoDestructor<MyRegistry> reg{"foo", "bar", 8008};
 //
 // Note that if your object already has a trivial destructor, you don't need to
 // use NoDestructor<T>.