Fix documentation

[vitenti]

As PR #402 but to be merged into master.

[codecov[bot]]

Codecov Report

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

Project coverage is 95.5%. Comparing base (d61fd06) to head (b67aa32).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #403 +/- ## ======================================== - Coverage 95.6% 95.5% -0.1% ======================================== Files 35 34 -1 Lines 2621 2569 -52 ======================================== - Hits 2506 2454 -52 Misses 115 115 ``` | [Files](https://app.codecov.io/gh/LSSTDESC/firecrown/pull/403?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC) | Coverage Δ | | |---|---|---| | [firecrown/connector/cobaya/ccl.py](https://app.codecov.io/gh/LSSTDESC/firecrown/pull/403?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC#diff-ZmlyZWNyb3duL2Nvbm5lY3Rvci9jb2JheWEvY2NsLnB5) | `100.0% <ø> (ø)` | | | [firecrown/connector/cobaya/likelihood.py](https://app.codecov.io/gh/LSSTDESC/firecrown/pull/403?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC#diff-ZmlyZWNyb3duL2Nvbm5lY3Rvci9jb2JheWEvbGlrZWxpaG9vZC5weQ==) | `100.0% <ø> (ø)` | | | [firecrown/connector/cosmosis/likelihood.py](https://app.codecov.io/gh/LSSTDESC/firecrown/pull/403?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC#diff-ZmlyZWNyb3duL2Nvbm5lY3Rvci9jb3Ntb3Npcy9saWtlbGlob29kLnB5) | `92.0% <ø> (ø)` | | | [firecrown/connector/mapping.py](https://app.codecov.io/gh/LSSTDESC/firecrown/pull/403?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC#diff-ZmlyZWNyb3duL2Nvbm5lY3Rvci9tYXBwaW5nLnB5) | `100.0% <ø> (ø)` | | | [firecrown/connector/numcosmo/numcosmo.py](https://app.codecov.io/gh/LSSTDESC/firecrown/pull/403?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC#diff-ZmlyZWNyb3duL2Nvbm5lY3Rvci9udW1jb3Ntby9udW1jb3Ntby5weQ==) | `99.7% <ø> (ø)` | | | [firecrown/descriptors.py](https://app.codecov.io/gh/LSSTDESC/firecrown/pull/403?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC#diff-ZmlyZWNyb3duL2Rlc2NyaXB0b3JzLnB5) | `100.0% <ø> (ø)` | | | [firecrown/likelihood/gauss\_family/gauss\_family.py](https://app.codecov.io/gh/LSSTDESC/firecrown/pull/403?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC#diff-ZmlyZWNyb3duL2xpa2VsaWhvb2QvZ2F1c3NfZmFtaWx5L2dhdXNzX2ZhbWlseS5weQ==) | `99.3% <ø> (ø)` | | | [firecrown/likelihood/gauss\_family/gaussian.py](https://app.codecov.io/gh/LSSTDESC/firecrown/pull/403?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC#diff-ZmlyZWNyb3duL2xpa2VsaWhvb2QvZ2F1c3NfZmFtaWx5L2dhdXNzaWFuLnB5) | `100.0% <ø> (ø)` | | | [...s\_family/statistic/binned\_cluster\_number\_counts.py](https://app.codecov.io/gh/LSSTDESC/firecrown/pull/403?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC#diff-ZmlyZWNyb3duL2xpa2VsaWhvb2QvZ2F1c3NfZmFtaWx5L3N0YXRpc3RpYy9iaW5uZWRfY2x1c3Rlcl9udW1iZXJfY291bnRzLnB5) | `98.5% <ø> (ø)` | | | [...ood/gauss\_family/statistic/source/number\_counts.py](https://app.codecov.io/gh/LSSTDESC/firecrown/pull/403?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC#diff-ZmlyZWNyb3duL2xpa2VsaWhvb2QvZ2F1c3NfZmFtaWx5L3N0YXRpc3RpYy9zb3VyY2UvbnVtYmVyX2NvdW50cy5weQ==) | `78.7% <ø> (ø)` | | | ... and [23 more](https://app.codecov.io/gh/LSSTDESC/firecrown/pull/403?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LSSTDESC) | |