diff --git a/web/src/styles.css b/web/src/styles.css
index 0646d49..c4e3242 100644
--- a/web/src/styles.css
+++ b/web/src/styles.css
@@ -1141,10 +1141,10 @@ textarea {
   border-radius: var(--r-1);
   color: var(--ink);
   position: relative;
-  /* No transition on `background`: it is what hover paints, and easing it puts
-     a visible delay between the pointer landing on a row and the row admitting
-     it. The ring (`.is-highlighted`, `.is-active`) still eases — that one
-     follows a keyboard walk, not the pointer. */
+  /* No transition on `background`: it is what hover, the keyboard cursor and
+     the preview all paint, and easing it puts a visible delay between the input
+     landing on a row and the row admitting it. `.is-active`'s ring still eases
+     — being open in a pane is a state, not a response to the pointer. */
   transition: box-shadow var(--dur-fast) var(--ease-out);
 }