Apply suggestions from code review

Co-authored-by: Eric Huss <eric@huss.org>

Author: yaahc

src/names/name-resolution.md

@@ -361,13 +361,15 @@ r[names.resolution.expansion.macros.derivehelpers]
 not visited when resolving derive macros in the parent scope (starting scope)
 
 r[names.resolution.expansion.macros.reserved-names]
-The names cfg and cfg_attr are reserved in the macro attribute [sub-namespace].
+The names `cfg` and `cfg_attr` are reserved in the macro attribute [sub-namespace].
 
 r[names.resolution.primary]
+## Primary name resolution
 > [!NOTE]
 > This is a placeholder for future expansion about primary name resolution.
 
 r[names.resolution.type-dependent]
+# Type-dependent resolution
 > [!NOTE]
 > This is a placeholder for future expansion about type-dependent resolution.