Small doc update for `random_configuration_model`

[dave7895]

Update description of configuration model generator:

• Target of reference link has been moved
• consistency of variable names in function signature and explanation

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 97.28%. Comparing base (c1cedee) to head (ba55428).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #360 +/- ## ======================================= Coverage 97.28% 97.28% ======================================= Files 118 118 Lines 6876 6876 ======================================= Hits 6689 6689 Misses 187 187 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.