HPCC-11371 Docs: Fix DICTIONARY Example

Signed-off-by: Jim DeFabia <jamesdefabia@lexisnexis.com>
Merge pull request #6665 from JamesDeFabia/11371FixDocsDICTIONARYExample

HPCC-11371 Docs: Fix DICTIONARY Example

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>