Two options. You can add it under your certificates and ratings or stick it under a separate "aviation training" header:

Example 1:

CERTIFICATES AND RATINGS:

Commercial Pilot, Single/Multi-engine Land, Instrument Airplane
Certified Flight Instructor, Single/Multi-engine Airplane, Instrument
CRJ Procedures and Standardization Familiarization Course (ERAU-Daytona), May 2007.

Example 2:

AVIATION TRAINING:

CRJ Procedures and Standardization Familiarization Course (ERAU-Daytona), May 2007.
High Altitude Training / Chamber Flights (FAA- OKC), March 04
Advanced Crew Resource Management (Flight Safety-ICT), January 95