fix links

Author: gmiller-mdb

source/reference/verification.txt

@@ -101,8 +101,8 @@ source to the destination cluster.
    * - :ref:`Custom or Manual Verification <c2c-custom-manual-verification>`
      - Different types of data require different methods of verification. You can
        can use custom or manual verification to verify :ref:`documents <c2c-document-comparison>`,
-       :ref: `indexes <c2c-index-comparison>`, :ref: `metadata <c2c-metadata-comparison>`,
-       and `shard keys <c2c-shardkey-comparison>`. 
+       :ref:`indexes <c2c-index-comparison>`, :ref:`metadata <c2c-metadata-comparison>`,
+       and :ref:`shard keys <c2c-shardkey-comparison>`. 
 
 The specific method you use to verify your data depends on your
 application workload and the complexity of the data.