[Jah-yee]

Summary

Fixes #417.

In guidelines.md, the phrase "a round 3" was incorrectly spelled instead of "around 3". The sentence reads:

How many lines are acceptable depends on the channel; around 3 is usually a good number.

Verification

```

• How many lines are acceptable depends on the channel; around 3 is usually a good number.
  ```

[skizzerz]

Closing due to AI slop