HPCC-9441 Fix case issues in Client Tool docs (eclplus & dfuplus)

Signed-off-by: JamesDeFabia <James.Defabia@LexisNexis.com>
Merge pull request #4464 from JamesDeFabia/9441_CT_docs_caseIssues

HPCC-9441 Fix case issues in Client Tool docs (eclplus & dfuplus)

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>