It is possible to modify a job record by using the command gchjob:
gchjob [-u user_name] [-p project_name] [-m machine_name] [-o organization] [-C queue_name] [-Q quality_of_service] [-P processors] [-N nodes] [-M memory] [-D disk] [-n job_name] [--application application] [--executable executable] [-t wallclock_duration] [-s start_time] [-e end_time] [-T job_type] [-d description] [-X | --extension property=value...] [--debug] [-? | --help] [--man] [--quiet] [-v | --verbose] [-V | --version] [[-J] job_id]
Example 3. Changing a job
$ gchjob -Q HalfPrice --application=NwChem -X Charge=1234 -d "Benchmark" -J PBS.1234.0 Successfully modified 1 Job