Address @mordante's review comments

Author: frederick-vs-ja

libcxx/docs/ReleaseNotes/21.rst

@@ -42,7 +42,7 @@ Implemented Papers
 - P0767R1: Deprecate POD (`Github <https://github.com/llvm/llvm-project/issues/104013>`__)
 - P1361R2: Integration of chrono with text formatting (`Github <https://github.com/llvm/llvm-project/issues/100014>`__)
 - P2255R2: A type trait to detect reference binding to temporary (implemented the type traits only) (`Github <https://github.com/llvm/llvm-project/issues/105180>`__)
-- P2562R1: `constexpr`` Stable Sorting (`Github <https://github.com/llvm/llvm-project/issues/105360>`__`)
+- P2562R1: ``constexpr`` Stable Sorting (`Github <https://github.com/llvm/llvm-project/issues/105360>`__)
 
 Improvements and New Features
 -----------------------------

libcxx/utils/generate_feature_test_macro_components.py

@@ -320,7 +320,7 @@ def add_version_header(tc):
             "name": "__cpp_lib_constexpr_algorithms",
             "values": {
                 "c++20": 201806,
-                "c++26": 202306,  # P2562R1 constexpr Stable Sorting
+                "c++26": 202306,
             },
             "headers": ["algorithm", "utility"],
         },