Fixes contributing grammar
Fixes contributing grammar

[ci-skip]
Jazzepi/mockito,Jazzepi/mockito,geoffschoeman/mockito,alberskib/mockito,ze-pequeno/mockito,TimvdLippe/mockito,mbrukman/mockito,terebesirobert/mockito,LilaQin/mockito,icefoggy/mockito,alberskib/mockito,ze-pequeno/mockito,lukasz-szewc/mockito,rototor/mockito,rototor/mockito,diboy2/mockito,smarkwell/mockito,diboy2/mockito,TimvdLippe/mockito,ignaciotcrespo/mockito,stefanbirkner/mockito,stefanbirkner/mockito,mockito/mockito,mkordas/mockito,JeremybellEU/mockito,icefoggy/mockito,mockito/mockito,Jam71/mockito,mohanaraosv/mockito,Jam71/mockito,mohanaraosv/mockito,GeeChao/mockito,bric3/mockito,hansjoachim/mockito,windofthesky/mockito,LilaQin/mockito,Ariel-Isaacm/mockito,bric3/mockito,lukasz-szewc/mockito,MuShiiii/mockito,Ariel-Isaacm/mockito,smarkwell/mockito,huangyingw/mockito,MuShiiii/mockito,windofthesky/mockito,bric3/mockito,zorosteven/mockito,zorosteven/mockito,mbrukman/mockito,ignaciotcrespo/mockito,JeremybellEU/mockito,GeeChao/mockito,geoffschoeman/mockito,mkordas/mockito,hansjoachim/mockito,mockito/mockito