Update doc reference to PhabricatorIRCBot for D4757

Summary: Update doc reference to PhabricatorIRCBot for D4757

Test Plan: Read the docs

Reviewers: indiefan, epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11098

Author: Krenair

src/docs/tech/conduit.diviner

@@ -26,7 +26,7 @@ by executing ##arc call-conduit method## (see ##arc help call-conduit## for
 more information). You can see and test available methods at ##/conduit/## in
 the web interface.
 
-Arcanist is implemented using Conduit, and @{class:PhabricatorIRCBot} is
+Arcanist is implemented using Conduit, and @{class:PhabricatorBot} is
 intended as a practical example of how to write a program which interfaces with
 Phabricator over Conduit.