Fix typo in cluster module docs
Fix typo in cluster module docs

This commit fixes a simple typo in the cluster module docs.

Closes #19393

mohit/elasticsearch,gmarz/elasticsearch,robin13/elasticsearch,MisterAndersen/elasticsearch,s1monw/elasticsearch,ricardocerq/elasticsearch,ThiagoGarciaAlves/elasticsearch,geidies/elasticsearch,LeoYao/elasticsearch,obourgain/elasticsearch,maddin2016/elasticsearch,qwerty4030/elasticsearch,lks21c/elasticsearch,nezirus/elasticsearch,s1monw/elasticsearch,JackyMai/elasticsearch,sneivandt/elasticsearch,masaruh/elasticsearch,LewayneNaidoo/elasticsearch,mjason3/elasticsearch,glefloch/elasticsearch,rlugojr/elasticsearch,sneivandt/elasticsearch,gfyoung/elasticsearch,Shepard1212/elasticsearch,MisterAndersen/elasticsearch,ThiagoGarciaAlves/elasticsearch,yanjunh/elasticsearch,uschindler/elasticsearch,awislowski/elasticsearch,awislowski/elasticsearch,Stacey-Gammon/elasticsearch,rlugojr/elasticsearch,C-Bish/elasticsearch,mohit/elasticsearch,mjason3/elasticsearch,nilabhsagar/elasticsearch,umeshdangat/elasticsearch,fforbeck/elasticsearch,sneivandt/elasticsearch,shreejay/elasticsearch,liweinan0423/elasticsearch,JackyMai/elasticsearch,dpursehouse/elasticsearch,jimczi/elasticsearch,C-Bish/elasticsearch,rlugojr/elasticsearch,strapdata/elassandra5-rc,scorpionvicky/elasticsearch,strapdata/elassandra5-rc,JackyMai/elasticsearch,gmarz/elasticsearch,jimczi/elasticsearch,vroyer/elasticassandra,awislowski/elasticsearch,gingerwizard/elasticsearch,umeshdangat/elasticsearch,i-am-Nathan/elasticsearch,fforbeck/elasticsearch,henakamaMSFT/elasticsearch,nazarewk/elasticsearch,ZTE-PaaS/elasticsearch,umeshdangat/elasticsearch,liweinan0423/elasticsearch,zkidkid/elasticsearch,vroyer/elassandra,henakamaMSFT/elasticsearch,naveenhooda2000/elasticsearch,sreeramjayan/elasticsearch,strapdata/elassandra,brandonkearby/elasticsearch,jimczi/elasticsearch,shreejay/elasticsearch,yanjunh/elasticsearch,robin13/elasticsearch,nezirus/elasticsearch,mikemccand/elasticsearch,IanvsPoplicola/elasticsearch,pozhidaevak/elasticsearch,spiegela/elasticsearch,henakamaMSFT/elasticsearch,fred84/elasticsearch,markwalkom/elasticsearch,obourgain/elasticsearch,wenpos/elasticsearch,StefanGor/elasticsearch,sreeramjayan/elasticsearch,strapdata/elassandra,lks21c/elasticsearch,wangtuo/elasticsearch,nknize/elasticsearch,bawse/elasticsearch,Shepard1212/elasticsearch,Stacey-Gammon/elasticsearch,fforbeck/elasticsearch,gmarz/elasticsearch,ThiagoGarciaAlves/elasticsearch,dpursehouse/elasticsearch,scorpionvicky/elasticsearch,maddin2016/elasticsearch,GlenRSmith/elasticsearch,gingerwizard/elasticsearch,dpursehouse/elasticsearch,Shepard1212/elasticsearch,C-Bish/elasticsearch,gingerwizard/elasticsearch,LeoYao/elasticsearch,mjason3/elasticsearch,girirajsharma/elasticsearch,girirajsharma/elasticsearch,ZTE-PaaS/elasticsearch,mortonsykes/elasticsearch,scorpionvicky/elasticsearch,njlawton/elasticsearch,markwalkom/elasticsearch,girirajsharma/elasticsearch,nilabhsagar/elasticsearch,scorpionvicky/elasticsearch,LeoYao/elasticsearch,nazarewk/elasticsearch,StefanGor/elasticsearch,dongjoon-hyun/elasticsearch,fred84/elasticsearch,dongjoon-hyun/elasticsearch,jprante/elasticsearch,gingerwizard/elasticsearch,scottsom/elasticsearch,naveenhooda2000/elasticsearch,winstonewert/elasticsearch,shreejay/elasticsearch,uschindler/elasticsearch,njlawton/elasticsearch,JSCooke/elasticsearch,girirajsharma/elasticsearch,jprante/elasticsearch,dpursehouse/elasticsearch,GlenRSmith/elasticsearch,sreeramjayan/elasticsearch,JSCooke/elasticsearch,qwerty4030/elasticsearch,lks21c/elasticsearch,spiegela/elasticsearch,mikemccand/elasticsearch,ricardocerq/elasticsearch,alexshadow007/elasticsearch,vroyer/elassandra,shreejay/elasticsearch,scottsom/elasticsearch,ThiagoGarciaAlves/elasticsearch,pozhidaevak/elasticsearch,JervyShi/elasticsearch,glefloch/elasticsearch,wangtuo/elasticsearch,StefanGor/elasticsearch,zkidkid/elasticsearch,a2lin/elasticsearch,umeshdangat/elasticsearch,LewayneNaidoo/elasticsearch,kalimatas/elasticsearch,nilabhsagar/elasticsearch,maddin2016/elasticsearch,glefloch/elasticsearch,naveenhooda2000/elasticsearch,i-am-Nathan/elasticsearch,mohit/elasticsearch,rajanm/elasticsearch,mohit/elasticsearch,ZTE-PaaS/elasticsearch,wuranbo/elasticsearch,fernandozhu/elasticsearch,LeoYao/elasticsearch,i-am-Nathan/elasticsearch,JSCooke/elasticsearch,gmarz/elasticsearch,Helen-Zhao/elasticsearch,wenpos/elasticsearch,wangtuo/elasticsearch,alexshadow007/elasticsearch,StefanGor/elasticsearch,fred84/elasticsearch,zkidkid/elasticsearch,robin13/elasticsearch,dongjoon-hyun/elasticsearch,strapdata/elassandra5-rc,fred84/elasticsearch,wuranbo/elasticsearch,artnowo/elasticsearch,vroyer/elasticassandra,geidies/elasticsearch,wuranbo/elasticsearch,awislowski/elasticsearch,ThiagoGarciaAlves/elasticsearch,nazarewk/elasticsearch,StefanGor/elasticsearch,dongjoon-hyun/elasticsearch,qwerty4030/elasticsearch,pozhidaevak/elasticsearch,Stacey-Gammon/elasticsearch,scottsom/elasticsearch,dongjoon-hyun/elasticsearch,MisterAndersen/elasticsearch,vroyer/elassandra,gingerwizard/elasticsearch,Helen-Zhao/elasticsearch,markwalkom/elasticsearch,ZTE-PaaS/elasticsearch,uschindler/elasticsearch,nazarewk/elasticsearch,liweinan0423/elasticsearch,kalimatas/elasticsearch,masaruh/elasticsearch,robin13/elasticsearch,obourgain/elasticsearch,alexshadow007/elasticsearch,rajanm/elasticsearch,fernandozhu/elasticsearch,alexshadow007/elasticsearch,wangtuo/elasticsearch,bawse/elasticsearch,Helen-Zhao/elasticsearch,Stacey-Gammon/elasticsearch,nilabhsagar/elasticsearch,gingerwizard/elasticsearch,HonzaKral/elasticsearch,scorpionvicky/elasticsearch,kalimatas/elasticsearch,gmarz/elasticsearch,geidies/elasticsearch,artnowo/elasticsearch,i-am-Nathan/elasticsearch,Stacey-Gammon/elasticsearch,qwerty4030/elasticsearch,artnowo/elasticsearch,fred84/elasticsearch,JervyShi/elasticsearch,zkidkid/elasticsearch,ZTE-PaaS/elasticsearch,nezirus/elasticsearch,brandonkearby/elasticsearch,lks21c/elasticsearch,coding0011/elasticsearch,geidies/elasticsearch,IanvsPoplicola/elasticsearch,nknize/elasticsearch,wangtuo/elasticsearch,fernandozhu/elasticsearch,umeshdangat/elasticsearch,yanjunh/elasticsearch,winstonewert/elasticsearch,GlenRSmith/elasticsearch,lks21c/elasticsearch,JervyShi/elasticsearch,bawse/elasticsearch,girirajsharma/elasticsearch,Shepard1212/elasticsearch,elasticdog/elasticsearch,LewayneNaidoo/elasticsearch,a2lin/elasticsearch,geidies/elasticsearch,a2lin/elasticsearch,rajanm/elasticsearch,rajanm/elasticsearch,Helen-Zhao/elasticsearch,brandonkearby/elasticsearch,artnowo/elasticsearch,Shepard1212/elasticsearch,masaruh/elasticsearch,jimczi/elasticsearch,brandonkearby/elasticsearch,maddin2016/elasticsearch,JervyShi/elasticsearch,spiegela/elasticsearch,mjason3/elasticsearch,mikemccand/elasticsearch,nilabhsagar/elasticsearch,rajanm/elasticsearch,nezirus/elasticsearch,coding0011/elasticsearch,henakamaMSFT/elasticsearch,JSCooke/elasticsearch,s1monw/elasticsearch,coding0011/elasticsearch,HonzaKral/elasticsearch,HonzaKral/elasticsearch,LewayneNaidoo/elasticsearch,strapdata/elassandra,ThiagoGarciaAlves/elasticsearch,strapdata/elassandra,JSCooke/elasticsearch,IanvsPoplicola/elasticsearch,gfyoung/elasticsearch,JervyShi/elasticsearch,GlenRSmith/elasticsearch,LeoYao/elasticsearch,strapdata/elassandra5-rc,LeoYao/elasticsearch,spiegela/elasticsearch,sreeramjayan/elasticsearch,dpursehouse/elasticsearch,nknize/elasticsearch,LewayneNaidoo/elasticsearch,nezirus/elasticsearch,alexshadow007/elasticsearch,fernandozhu/elasticsearch,strapdata/elassandra5-rc,winstonewert/elasticsearch,gfyoung/elasticsearch,coding0011/elasticsearch,mortonsykes/elasticsearch,vroyer/elasticassandra,jprante/elasticsearch,MaineC/elasticsearch,yanjunh/elasticsearch,mortonsykes/elasticsearch,markwalkom/elasticsearch,jprante/elasticsearch,shreejay/elasticsearch,pozhidaevak/elasticsearch,ricardocerq/elasticsearch,LeoYao/elasticsearch,kalimatas/elasticsearch,glefloch/elasticsearch,bawse/elasticsearch,IanvsPoplicola/elasticsearch,MisterAndersen/elasticsearch,njlawton/elasticsearch,i-am-Nathan/elasticsearch,wenpos/elasticsearch,GlenRSmith/elasticsearch,scottsom/elasticsearch,jimczi/elasticsearch,awislowski/elasticsearch,artnowo/elasticsearch,masaruh/elasticsearch,ricardocerq/elasticsearch,IanvsPoplicola/elasticsearch,liweinan0423/elasticsearch,rajanm/elasticsearch,MaineC/elasticsearch,spiegela/elasticsearch,geidies/elasticsearch,sreeramjayan/elasticsearch,kalimatas/elasticsearch,rlugojr/elasticsearch,mjason3/elasticsearch,naveenhooda2000/elasticsearch,obourgain/elasticsearch,yanjunh/elasticsearch,girirajsharma/elasticsearch,liweinan0423/elasticsearch,elasticdog/elasticsearch,robin13/elasticsearch,obourgain/elasticsearch,mikemccand/elasticsearch,mikemccand/elasticsearch,fforbeck/elasticsearch,masaruh/elasticsearch,a2lin/elasticsearch,nazarewk/elasticsearch,elasticdog/elasticsearch,a2lin/elasticsearch,mohit/elasticsearch,nknize/elasticsearch,Helen-Zhao/elasticsearch,njlawton/elasticsearch,mortonsykes/elasticsearch,sneivandt/elasticsearch,wuranbo/elasticsearch,wenpos/elasticsearch,s1monw/elasticsearch,HonzaKral/elasticsearch,s1monw/elasticsearch,gingerwizard/elasticsearch,maddin2016/elasticsearch,JackyMai/elasticsearch,C-Bish/elasticsearch,zkidkid/elasticsearch,gfyoung/elasticsearch,sneivandt/elasticsearch,mortonsykes/elasticsearch,markwalkom/elasticsearch,uschindler/elasticsearch,JervyShi/elasticsearch,strapdata/elassandra,qwerty4030/elasticsearch,nknize/elasticsearch,uschindler/elasticsearch,scottsom/elasticsearch,rlugojr/elasticsearch,elasticdog/elasticsearch,jprante/elasticsearch,winstonewert/elasticsearch,MisterAndersen/elasticsearch,fforbeck/elasticsearch,pozhidaevak/elasticsearch,naveenhooda2000/elasticsearch,ricardocerq/elasticsearch,brandonkearby/elasticsearch,fernandozhu/elasticsearch,markwalkom/elasticsearch,MaineC/elasticsearch,gfyoung/elasticsearch,wuranbo/elasticsearch,elasticdog/elasticsearch,sreeramjayan/elasticsearch,henakamaMSFT/elasticsearch,njlawton/elasticsearch,JackyMai/elasticsearch,winstonewert/elasticsearch,bawse/elasticsearch,MaineC/elasticsearch,glefloch/elasticsearch,C-Bish/elasticsearch,coding0011/elasticsearch,MaineC/elasticsearch,wenpos/elasticsearch