Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: scottaohara

instructions/a11y.instructions.md

@@ -54,7 +54,7 @@ Comprehensive accessibility rules for web application development. Every anti-pa
 | 2.4.7 Focus Visible | AA | Keyboard focus indicator is visible. |
 | 2.4.11 Focus Not Obscured | AA | Focused element not entirely hidden by other overlaying elements (such as sticky headers or footers). *(New in 2.2)* |
 | 2.5.1 Pointer Gestures | A | Multi-point gestures have single-pointer alternative. |
-| 2.5.2 Pointer Cancellation | A | Activation on up-event, unless activation can be aborted, reversed or down-event activation is essential. |
+| 2.5.2 Pointer Cancellation | A | Activation on up-event, unless activation can be aborted, reversed, or down-event activation is essential. |
 | 2.5.3 Label in Name | A | Accessible name contains the label text as it is visually presented. |
 | 2.5.4 Motion Actuation | A | Device motion has UI alternative and can be disabled. |
 | 2.5.7 Dragging Movements | AA | Drag-and-drop has click/tap alternative. *(New in 2.2)* |