Update docs/release-notes/changelog/v6.0.x.rst

Co-authored-by: Jeff Squyres <[email protected]>
Signed-off-by: Edgar Gabriel <[email protected]>

Author: edgargabriel

docs/release-notes/changelog/v6.0.x.rst

@@ -36,7 +36,7 @@ Open MPI version v6.0.0
   file.  Open MPI will now issue a warning when the file is included
   and the Fortran compiler supports the ``#warning`` directive.
 
-- Added support for the MPI 4.1 memory allocation kind info object and
+- Added support for the MPI-4.1 memory allocation kind info object and
   values introduced in the MPI Memory Allocation Kinds side-document.
 
 - Added support for Intel Ponte Vecchio GPUs.