style: Nits on the code

Author: ChrisChV

src/container-comparison/data/apiHooks.ts

@@ -24,7 +24,7 @@ export const useCourseContainerChildren = (usageKey?: string, getUpstreamInfo?:
   useQuery({
     enabled: !!usageKey,
     queryFn: () => getCourseContainerChildren(usageKey!, getUpstreamInfo),
-    // If we first get data with a valid `usageKey` and then the `usageKey` changes to undefinded, an error occurs.
+    // If we first get data with a valid `usageKey` and then the `usageKey` changes to undefined, an error occurs.
     queryKey: containerComparisonQueryKeys.container(getUpstreamInfo || false, usageKey),
   })
 );