Fix missing markup in configuration docs
Fix missing markup in configuration docs

This commit adds a missing backtick in the configuration docs.

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