missing space

Author: vinay-deshmukh

libcxx/docs/ReleaseNotes/22.rst

@@ -43,7 +43,7 @@ Implemented Papers
 - P3044R2: sub-``string_view`` from ``string`` (`Github <https://llvm.org/PR148140>`__)
 - P3223R2: Making ``std::istream::ignore`` less surprising (`Github <https://llvm.org/PR148178>`__)
 - P3168R2: Give ``std::optional`` Range Support (`Github <https://llvm.org/PR105430>`__)
-- P3372R3: ``constexpr map``(`Github <https://llvm.org/PR134330>`__) (The paper is partially implemented. ``constexpr map`` is implemented in this release)
+- P3372R3: ``constexpr map`` (`Github <https://llvm.org/PR134330>`__) (The paper is partially implemented. ``constexpr map`` is implemented in this release)
 
 Improvements and New Features
 -----------------------------