diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst
index 673344a70ab0a6..f49c412118e7d9 100644
--- a/clang-tools-extra/docs/ReleaseNotes.rst
+++ b/clang-tools-extra/docs/ReleaseNotes.rst
@@ -225,6 +225,10 @@ Changes in existing checks
   <clang-tidy/checks/bugprone/reserved-identifier>` check, so that it does not
   warn on macros starting with underscore and lowercase letter.
 
+- Improved :doc:`bugprone-sizeof-expression
+  <clang-tidy/checks/bugprone/sizeof-expression>` check diagnostics to precisely
+  highlight specific locations, providing more accurate guidance.
+
 - Improved :doc:`bugprone-unchecked-optional-access
   <clang-tidy/checks/bugprone/unchecked-optional-access>` check, so that it does
   not crash during handling of optional values.