chore: update comment (#4966)

# Description

Please include a summary of the changes and the related issue. Please also include relevant motivation and context.

## Type of change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
- [ ] This change requires a documentation update

## How Has This Been Tested?

Please describe the tests that you ran to verify your changes.

## Checklist:

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my feature works
- [ ] New and existing unit tests pass locally with my changes

Author: MasterPtato

Cargo.toml

@@ -585,6 +585,9 @@ members = [
 
 [profile.dev]
 overflow-checks = false
+# "line-tables-only" produces just the line-number DWARF needed for stack
+# traces, skipping variable/type info. Meaningfully faster debug builds
+# (~2 min per engine cross-compile) with no runtime cost.
 debug = "line-tables-only"
 lto = "off"