Update communication-services-chat-events.md

Author: SevenZeroThree

articles/event-grid/communication-services-chat-events.md

@@ -14,7 +14,7 @@ Azure Communication Services emits chat events only when Azure Communication Ser
 
 ## Event types
 
-Azure Communication Services emits chat events on two different levels: **User-level** and **Thread-level**. User-level events pertain to a specific user on the chat thread and are delivered once per user. Thread-level events pertain to the entire chat thread and and delivered once per thread. For example: if there are 10 users in a thread, there will be one thread-level event and 10 user-level events, one for each user, when a message is received in a thread.
+Azure Communication Services emits chat events on two different levels: **User-level** and **Thread-level**. User-level events pertain to a specific user on the chat thread and are delivered once per user. Thread-level events pertain to the entire chat thread and are delivered once per thread. For example: if there are 10 users in a thread, there will be one thread-level event and 10 user-level events, one for each user, when a message is received in a thread.
 
 Azure Communication Services emits the following chat event types:
 
@@ -33,7 +33,7 @@ Azure Communication Services emits the following chat event types:
 | [Microsoft.Communication.ChatThreadParticipantAdded](#microsoftcommunicationchatthreadparticipantadded-event) | `Thread` | Published when a new participant is added to a chat thread  |
 | [Microsoft.Communication.ChatThreadParticipantRemoved](#microsoftcommunicationchatthreadparticipantremoved-event) | `Thread` | Published when a participant is removed from a chat thread  |  
 | [Microsoft.Communication.ChatMessageReceivedInThread](#microsoftcommunicationchatmessagereceivedinthread-event) |  `Thread` |Published when a message is received in a chat thread  |    
-| [Microsoft.Communication.ChatThreadPropertiesUpdated](#microsoftcommunicationchatthreadpropertiesupdated-event)| `Thread` | Published when a chat thread's properties are updated.|    
+| [Microsoft.Communication.ChatThreadPropertiesUpdated](#microsoftcommunicationchatthreadpropertiesupdated-event)| `Thread` | Published when a chat thread's properties are updated |    
 | [Microsoft.Communication.ChatMessageEditedInThread](#microsoftcommunicationchatmessageeditedinthread-event) |  `Thread` |Published when a message is edited in a chat thread |  
 | [Microsoft.Communication.ChatMessageDeletedInThread](#microsoftcommunicationchatmessagedeletedinthread-event) |  `Thread` |Published when a message is deleted in  a chat thread  |