DOC fixes typo and comment in example plot_grid_search_stats.py (#20447)
DOC fixes typo and comment in example plot_grid_search_stats.py (#20447)

Co-authored-by: Christian Lorentzen <9418c66efc1fe36fdae4d3b96d40e9819e993828@gmail.com>
AlexandreAbraham/scikit-learn,anntzer/scikit-learn,betatim/scikit-learn,ivannz/scikit-learn,manhhomienbienthuy/scikit-learn,saiwing-yeung/scikit-learn,betatim/scikit-learn,scikit-learn/scikit-learn,vinayak-mehta/scikit-learn,betatim/scikit-learn,ivannz/scikit-learn,shyamalschandra/scikit-learn,jakirkham/scikit-learn,manhhomienbienthuy/scikit-learn,vinayak-mehta/scikit-learn,ivannz/scikit-learn,huzq/scikit-learn,sergeyf/scikit-learn,AlexandreAbraham/scikit-learn,sergeyf/scikit-learn,anntzer/scikit-learn,TomDLT/scikit-learn,manhhomienbienthuy/scikit-learn,vinayak-mehta/scikit-learn,sergeyf/scikit-learn,espg/scikit-learn,saiwing-yeung/scikit-learn,saiwing-yeung/scikit-learn,scikit-learn/scikit-learn,AlexandreAbraham/scikit-learn,espg/scikit-learn,lesteve/scikit-learn,lesteve/scikit-learn,lesteve/scikit-learn,TomDLT/scikit-learn,betatim/scikit-learn,scikit-learn/scikit-learn,jakirkham/scikit-learn,anntzer/scikit-learn,espg/scikit-learn,shyamalschandra/scikit-learn,lesteve/scikit-learn,shyamalschandra/scikit-learn,TomDLT/scikit-learn,huzq/scikit-learn,ivannz/scikit-learn,shyamalschandra/scikit-learn,manhhomienbienthuy/scikit-learn,vinayak-mehta/scikit-learn,saiwing-yeung/scikit-learn,sergeyf/scikit-learn,huzq/scikit-learn,jakirkham/scikit-learn,anntzer/scikit-learn,AlexandreAbraham/scikit-learn,TomDLT/scikit-learn,espg/scikit-learn,jakirkham/scikit-learn,huzq/scikit-learn,scikit-learn/scikit-learn