Update transactional-writes.mdx typo (#816)

Author: ttrzeng

docs/content/interacting/transactional-writes.mdx

@@ -138,7 +138,7 @@ And if you want to convert this `tweet` to private, you would need to delete tha
 
 By removing the tuple, we made the tweet visible to no-one, which may not be what we want.
 
-The Write API allows you to send up to 10 unique tuples in the request. (This limit applies to the sum of both writes and deletes in that request). This means we can submit one API call that converts the `tweet` from public to visible to only the `user`'s followers.
+The Write API allows you to send up to 100 unique tuples in the request. (This limit applies to the sum of both writes and deletes in that request). This means we can submit one API call that converts the `tweet` from public to visible to only the `user`'s followers.
 
 <WriteRequestViewer
   relationshipTuples={[