Feature clarify returned data (#161)

* clarify data returned from the update method is unstable. * Fix typo in readme.md Co-authored-by: Heather Herbert <[email protected]>
thybag · Sep 27, 2020 · a49380f · a49380f
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@@ -168,6 +168,9 @@ As with the write method you can also run multiple update operations together by
 
 When using updateMultiple every item MUST have an ID.
 
+> :heavy_exclamation_mark: This method returns the row that has been updated. It does not always return the updated data, as SharePoint can take longer to update than this method takes to run.
+> It is therefore not recommended to use this as a check to ensure a successful update.
+
 #### Deleting Rows
 
 In order to delete a row, an ID as well as list name is required. To remove the record for James with the ID 5 you would use: