o1vm: update description

[dannywillems]

Cherry-picked from #2727

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 73.70%. Comparing base (9130939) to head (0f96782).
Report is 4 commits behind head on master.

Files with missing lines	Patch %	Lines
o1vm/src/cannon_cli.rs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2742      +/-   ##
==========================================
- Coverage   73.71%   73.70%   -0.01%     
==========================================
  Files         249      249              
  Lines       57866    57866              
==========================================
- Hits        42654    42650       -4     
- Misses      15212    15216       +4     

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