docs(client): wrap cache invalidation guidance

Author: starsaintf

docs/CLIENT_CACHING.md

@@ -41,9 +41,9 @@ never cached. A response that omits `cacheScope` is treated as private rather
 than made shareable.
 
 List-change notifications invalidate every cached page for the corresponding
-method, while resource update notifications invalidate only the matching URI. When a cursor request
-fails, all cached pages for that list method are discarded so the next walk can
-restart from the beginning.
+method, while resource update notifications invalidate only the matching URI.
+When a cursor request fails, all cached pages for that list method are discarded
+so the next walk can restart from the beginning.
 
 Cache invalidation advances an internal generation. Responses from requests that
 were already in flight before an invalidation or authorization-context change are