Update sippy.mdx

CUSTESC-47909

Author: DRayCloudflare

src/content/docs/r2/data-migration/sippy.mdx

@@ -180,9 +180,12 @@ When Sippy is enabled, it changes the behavior of certain actions on your R2 buc
 						Remaining metadata will be omitted.
 					</li>
 					<li>
-						For larger objects, multiple GET requests may be required to fully
+						For larger objects greater than 199MiB, multiple GET requests may be required to fully
 						copy the object to R2.
 					</li>
+					<li>
+						You could have multiple syncs if multiple users access the same file at the same time and it doesn't yet exist in R2.
+					</li>
 				</ul>
 			</td>
 		</tr>