CP013: Add minor fixes based on feedback.

Author: Gordon

affinity/cpp-20/d1436r0.md

@@ -114,7 +114,7 @@ numa_executor exec;
 std::vector<std::unique_ptr<float[SIZE]>> data{};
 data.reserve(N);
 
-// Require the NUMA executor to bind it's allocation of memory to the underlying
+// Require the NUMA executor to bind its allocation of memory to the underlying
 // memory resources in a scatter patter.
 auto affinityExec = std::execution::require(exec,
   bulk_execution_affinity.scatter);
@@ -125,7 +125,7 @@ affinityExec.bulk_execute([&](size_t id) {
   data[id] = std::make_unique<float>(); }, N, sharedFactory);
 
 // Execute a for_each using the same executor so that each unique_ptr in the
-// vector maintains it's locality.
+// vector maintains its locality.
 std::for_each(std::execution::par.on(affinityExec), std::begin(data),
   std::end(data), [=](float &value) { do_something(value): });
 ```