DOCSP30350- add quotes on strings

Author: mballard-mdb

source/crud/operation-error-handling.txt

@@ -95,8 +95,8 @@ Bulk Write Exception
 ~~~~~~~~~~~~~~~~~~~~
 
 Using the previous example, if you now attempt to insert two documents that
-violate the collection's schema, one with a ``quantity`` of ``three`` and another
-with a ``quantity`` of ``ten``, the driver prints the following error message:
+violate the collection's schema, one with a ``quantity`` of ``"three"`` and another
+with a ``quantity`` of ``"ten"``, the driver prints the following error message:
 
 .. code-block:: none
    :copyable: false