Apply suggestions from code review

Co-authored-by: Genevieve Warren <[email protected]>

Author: antonfirsov

xml/System.Net/CookieContainer.xml

@@ -84,10 +84,10 @@
 
 ## Thread Safety
  
-  The methods for adding and retrieving <xref:System.Net.Cookie> instances to/from a <xref:System.Net.CookieContainer> are thread-safe and may be used concurrently from multiple threads.
+  The methods for adding and retrieving <xref:System.Net.Cookie> instances to and from a <xref:System.Net.CookieContainer> are thread-safe and can be used concurrently from multiple threads.
 
   > [!NOTE]
-  > Regardless of thread-safety, unanticipated sharing of <xref:System.Net.CookieContainer> instances may lead to issues when working with <xref:System.Net.Http.HttpClient> and <xref:System.Net.Http.HttpClientHandler> or <xref:System.Net.Http.SocketsHttpHandler>, since parts of the application that not intended to share cookies may inadvertently do so.
+  > Regardless of thread-safety, unanticipated sharing of <xref:System.Net.CookieContainer> instances can lead to issues when working with <xref:System.Net.Http.HttpClient> and <xref:System.Net.Http.HttpClientHandler> or <xref:System.Net.Http.SocketsHttpHandler>, since parts of the application that aren't intended to share cookies might inadvertently do so.
   > It is not recommended to use cookies together with <xref:System.Net.Http.IHttpClientFactory>.
 
  ]]></format>