Update darpa_open_catalog.py
Update darpa_open_catalog.py

Fixing TYPO in graf two of index page.
tjd08a/open-catalog-generator,snordt/open-catalog-generator,ericwhyne/open-catalog-generator,ericwhyne/open-catalog-generator,tjd08a/open-catalog-generator,tjd08a/open-catalog-generator,snordt/open-catalog-generator,ericwhyne/open-catalog-generator,tjd08a/open-catalog-generator,snordt/open-catalog-generator,snordt/open-catalog-generator,ericwhyne/open-catalog-generator