DOCSP30350 fix code example format

(cherry picked from commit 1d219ee)

Author: mballard-mdb

source/crud/operation-error-handling.txt

@@ -79,8 +79,9 @@ error message:
 .. code-block:: none
    :copyable: false
 
-   WriteError: { code: 11000, message: "E11000 duplicate key error collection:
-   testDB.testCollection index: _id_ dup key: { _id: 1 }", details: Document{{}}} } 
+WriteError{code=11000, message='E11000 duplicate key error
+collection: testDB.testCollection index: _id_ dup key: { _id: 1 }',
+details=Document{{}}}  
 
 In the preceding error message, the ``message`` field describes the reason for
 the error, and the ``details`` field provides specific details about the failing
@@ -99,9 +100,9 @@ to the message. For example, if the index of the item that produced the error is
    :copyable: false
    :emphasize-lines: 1
 
-   BulkWriteError{ index: 2, code: 11000, message: 'E11000 duplicate key error
+   BulkWriteError{index=2, code=11000, message='E11000 duplicate key error
    collection: testDB.testCollection index: _id_ dup key: { _id: 1 }',
-   details: Document{{}} }
+   details=Document{{}}}  
 
 Write Concern Error
 ~~~~~~~~~~~~~~~~~~~