Apply suggestions from code review

Co-authored-by: William Wong <compulim@users.noreply.github.com>

Author: OEvgeny

CHANGELOG.md

@@ -1352,7 +1352,7 @@ Notes: web developers are advised to use [`~` (tilde range)](https://github.com/
 - Fixes [#3750](https://github.com/microsoft/BotFramework-WebChat/issues/3750). Debump Node.js engines requirements for some packages to `12.0.0`, by [@compulim](https://github.com/compulim) in PR [#3753](https://github.com/microsoft/BotFramework-WebChat/pull/3753)
 - Fixes [#3760](https://github.com/microsoft/BotFramework-WebChat/issues/3760). Use `<ErrorBoundary>` to wrap around attachment renderer, by [@compulim](https://github.com/compulim) in PR [#3761](https://github.com/microsoft/BotFramework-WebChat/pull/3761)
 - Fixes [#3764](https://github.com/microsoft/BotFramework-WebChat/issues/3764). Added `role="group"` to the focusable transcript to enable `aria-activedescendant`, by [@compulim](https://github.com/compulim) in PR [#3765](https://github.com/microsoft/BotFramework-WebChat/issues/3765)
-- Fixed adaptive card re-rendering can cause layout shift, by [@OEvgeny](https://github.com/OEvgeny), in PR [#5494](https://github.com/microsoft/BotFramework-WebChat/issues/5494)
+- Fixed re-rendering Adaptive Card should not cause momentarily layout shift, by [@OEvgeny](https://github.com/OEvgeny), in PR [#5494](https://github.com/microsoft/BotFramework-WebChat/issues/5494)
 
 ### Changed
 

__tests__/html2/adaptiveCard/rerender.html

@@ -71,7 +71,7 @@
 
       await new Promise(resolve => setTimeout(resolve, 200));
 
-      let observedMutations
+      let observedMutations;
       new MutationObserver((mutations) => {
         observedMutations = mutations;
       }).observe(adaptiveCardEl, { childList: true });