DOCS-16799 verbiage to include remainingOperationTimeEstimatedSecs (#8411) (#8489)

Author: sonderdonk-mdb

source/includes/steps-reshard-a-collection.yaml

@@ -174,7 +174,7 @@ content: |
    :dbcommand:`commitReshardCollection`, until shards have fully caught
    up.
 
-   For example, if the write unavailability duration estimate does not
+   For example, if ``remainingOperationTimeEstimatedSecs`` does not
    decrease, you can abort the resharding operation with the
    :dbcommand:`abortReshardCollection` command: