diff --git a/crates/oxc_regular_expression/src/display.rs b/crates/oxc_regular_expression/src/display.rs
index e813945483030c..58c5ecc1fb9b6e 100644
--- a/crates/oxc_regular_expression/src/display.rs
+++ b/crates/oxc_regular_expression/src/display.rs
@@ -493,7 +493,7 @@ mod test {
         (r"/\d/g", None),
         // we lose the flags ordering
         (r"/\d/ug", Some(r"/\d/gu")),
-        // NOTE: we capitalize hex unicodes.
+        // we capitalize hex unicodes.
         (r"/\n\cM\0\x41\u{1f600}\./u", Some(r"/\n\cM\0\x41\u{1F600}\./u")),
         (r"/c]/", None),
         // Octal tests from: <https://github.com/tc39/test262/blob/d62fa93c8f9ce5e687c0bbaa5d2b59670ab2ff60/test/annexB/language/literals/regexp/legacy-octal-escape.js>
@@ -540,9 +540,13 @@ mod test {
         (r"/[\c8]/", None),
         (r"/[\c80]+/", None),
         (r"/\c_/", None),
+        // we capitalize hex unicodes.
         (r"/^|\udf06/gu", Some(r"/^|\uDF06/gu")),
+        // we capitalize hex unicodes.
         (r"/\udf06/", Some(r"/\uDF06/")),
+        // we capitalize hex unicodes.
         (r"/\udf06/u", Some(r"/\uDF06/u")),
+        // we capitalize hex unicodes.
         (r"/^|\udf06/g", Some(r"/^|\uDF06/g")),
     ];