[clang-tools-extra] [clang-tidy][NFC] Improve readabilty of Release Notes (PR #174686)

[via cfe-commits]

================
@@ -536,11 +555,16 @@ Changes in existing checks
   <clang-tidy/checks/misc/header-include-cycle>` check performance.
 
 - Improved :doc:`misc-use-internal-linkage
-  <clang-tidy/checks/misc/use-internal-linkage>` to suggest giving
-  user-defined types (structs, classes, unions, and enums) internal
-  linkage. Added fine-grained options to control whether the check
-  should diagnose functions, variables, and/or user-defined types.
-  Enabled the check for C.
+  <clang-tidy/checks/misc/use-internal-linkage>` check:
+  
+  - Added suggestion of internal linkage for user-defined types (structs,
+  classes, unions, and enums).
----------------
EugeneZelenko wrote:

```suggestion
    classes, unions, and enums).
```

https://github.com/llvm/llvm-project/pull/174686