Update chees_adaptation.py

[junpenglao]

Minor correction of docstring

[junpenglao]

Small fix but using this opportunity to also make sure main branch is fixed via Jaxopt new release.

[codecov]

Codecov Report

Merging #583 (9b2d9dd) into main (d056670) will decrease coverage by 0.01%.
Report is 1 commits behind head on main.
The diff coverage is 99.04%.

@@            Coverage Diff             @@
##             main     #583      +/-   ##
==========================================
- Coverage   99.14%   99.14%   -0.01%     
==========================================
  Files          49       50       +1     
  Lines        2117     2218     +101     
==========================================
+ Hits         2099     2199     +100     
- Misses         18       19       +1     

Files	Coverage Δ
blackjax/__init__.py	100.00% <100.00%> (ø)
blackjax/adaptation/__init__.py	100.00% <100.00%> (ø)
blackjax/adaptation/chees_adaptation.py	100.00% <100.00%> (ø)
blackjax/mcmc/hmc.py	98.92% <90.90%> (-1.08%)	⬇️