rel-notes: Fix up formatting in release notes

docs/users_guide/8.4.1-notes.rst

@@ -260,8 +260,9 @@ Runtime system
   where module initialisation stopped requiring a call to ``hs_add_root()``.
 
 - Proper import library support added to GHC which can handle all of the libraries produced
-  by ``dlltool``. The limitation of them needing to be named with the suffix .dll.a is also removed.
-  See :ghc-ticket:`13606`, :ghc-ticket:`12499`, :ghc-ticket:`12498`
+  by ``dlltool``. The limitation of them needing to be named with the suffix
+  ``.dll.a`` is also removed. See :ghc-ticket:`13606`, :ghc-ticket:`12499`,
+  :ghc-ticket:`12498`
 
 - The GHCi runtime linker on Windows now supports the ``big-obj`` file format.
 
@@ -349,7 +350,7 @@ Template Haskell
 ~~~~~~~~~~~~~~~~
 
 - Blank strings can now be used as values for environment variables using the
-  System.Environment.Blank module. See :ghc-ticket:`12494`
+  ``System.Environment.Blank`` module. See :ghc-ticket:`12494`
 
 - ``Data.Type.Equality.==`` is now a closed type family. It works for all kinds
   out of the box. Any modules that previously declared instances of this family