DOCSP-28378 Fixes typo on update change event reference (#3197) (#3215)

Author: kennethdyer

source/reference/change-events/update.txt

@@ -105,13 +105,13 @@ Description
      - .. include:: /includes/change-stream/ud-truncatedArrays
 
    * - | ``updateDescription.``
-       | ``trucatedArrays.``
+       | ``truncatedArrays.``
        | ``field``
      - string
      - .. include:: /includes/change-stream/ud-ta-field
 
    * - | ``updateDescription.``
-       | ``trucatedArrays.``
+       | ``truncatedArrays.``
        | ``newSize``
      - integer
      - .. include:: /includes/change-stream/ud-ta-newSize