[Docs] Minor typo fixes
[Docs] Minor typo fixes

Author: Nicholas Chammas <nicholas.chammas@gmail.com>

Closes #3772 from nchammas/patch-1 and squashes the following commits:

b7d9083 [Nicholas Chammas] [Docs] Minor typo fixes

chuckchen/spark,shuangshuangwang/spark,WeichenXu123/spark,Aegeaner/spark,dhruve/spark,pgandhi999/spark,UndeadBaneGitHub/spark,bravo-zhang/spark,aosagie/spark,brad-kaiser/spark,nchammas/spark,JerryLead/spark,ConeyLiu/spark,poffuomo/spark,alunarbeach/spark,loneknightpy/spark,highfei2011/spark,liutang123/spark,rekhajoshm/spark,mahak/spark,poffuomo/spark,SnappyDataInc/spark,wzhfy/spark,gioenn/xSpark,actuaryzhang/spark,ajaysaini725/spark,mahak/spark,skonto/spark,shuangshuangwang/spark,ajaysaini725/spark,michalsenkyr/spark,zzcclp/spark,cin/spark,taroplus/spark,gengliangwang/spark,srowen/spark,bOOm-X/spark,kevinyu98/spark,zhouyejoe/spark,zuotingbing/spark,Panos-Bletsos/spark-cost-model-optimizer,gioenn/xSpark,rekhajoshm/spark,SHASHANKB/spark,kissmetrics/spark,liyichao/spark,tengpeng/spark,maropu/spark,xuanyuanking/spark,cloud-fan/spark,bravo-zhang/spark,kissmetrics/spark,dongjoon-hyun/spark,ddna1021/spark,aray/spark,pronix/spark,mike0sv/spark,ioana-delaney/spark,nilsgrabbert/spark,zzcclp/spark,xuanyuanking/spark,bdrillard/spark,brad-kaiser/spark,shaneknapp/spark,shaneknapp/spark,wzhfy/spark,esi-mineset/spark,1haodian/spark,ron8hu/spark,HyukjinKwon/spark,eyalfa/spark,minixalpha/spark,sureshthalamati/spark,yanboliang/spark,UndeadBaneGitHub/spark,ioana-delaney/spark,SHASHANKB/spark,liyichao/spark,nlalevee/spark,sahilTakiar/spark,apache-spark-on-k8s/spark,hhbyyh/spark,mdespriee/spark,rezasafi/spark,someorz/spark,zzcclp/spark,jlopezmalla/spark,kevinyu98/spark,ibm-research-ireland/sparkoscope,1haodian/spark,BryanCutler/spark,jianran/spark,panfengfeng/spark,andrewor14/iolap,zhouyejoe/spark,yanboliang/spark,metamx/spark,maropu/spark,narahari92/spark,alunarbeach/spark,metamx/spark,vinodkc/spark,jlopezmalla/spark,sureshthalamati/spark,jiangxb1987/spark,holdenk/spark,narahari92/spark,rekhajoshm/spark,1haodian/spark,debugger87/spark,ConeyLiu/spark,chuckchen/spark,joseph-torres/spark,rednaxelafx/apache-spark,kevinyu98/spark,nilsgrabbert/spark,hvanhovell/spark,szhem/spark,joseph-torres/spark,actuaryzhang/spark,big-pegasus/spark,dbtsai/spark,hhbyyh/spark,michalsenkyr/spark,ahnqirage/spark,mdespriee/spark,shaneknapp/spark,jkbradley/spark,icexelloss/spark,yanboliang/spark,wangyum/spark,rikima/spark,ericvandenbergfb/spark,tengpeng/spark,Panos-Bletsos/spark-cost-model-optimizer,metamx/spark,MLnick/spark,byakuinss/spark,wangyum/spark,WeichenXu123/spark,rezasafi/spark,patrick-nicholson/spark,JerryLead/spark,kiszk/spark,saturday-shi/spark,guoxiaolongzte/spark,panfengfeng/spark,aray/spark,zuotingbing/spark,map222/spark,brad-kaiser/spark,rikima/spark,highfei2011/spark,brad-kaiser/spark,bdrillard/spark,liutang123/spark,goldmedal/spark,ibm-research-ireland/sparkoscope,minixalpha/spark,zero323/spark,caneGuy/spark,holdenk/spark,jiangxb1987/spark,taroplus/spark,debugger87/spark,narahari92/spark,hhbyyh/spark,mahak/spark,haowu80s/spark,lvdongr/spark,setjet/spark,joseph-torres/spark,saltstar/spark,SnappyDataInc/spark,icexelloss/spark,janewangfb/spark,BryanCutler/spark,apache-spark-on-k8s/spark,zzcclp/spark,dhruve/spark,liutang123/spark,janewangfb/spark,actuaryzhang/spark,haowu80s/spark,actuaryzhang/spark,jiangxb1987/spark,map222/spark,someorz/spark,liutang123/spark,ptkool/spark,JoshRosen/spark,skonto/spark,sureshthalamati/spark,haowu80s/spark,eyalfa/spark,wzhfy/spark,darionyaphet/spark,JoshRosen/spark,LantaoJin/spark,ddna1021/spark,kiszk/spark,jlopezmalla/spark,kimoonkim/spark,huang1900/spark,patrick-nicholson/spark,liyichao/spark,techaddict/spark,dongjoon-hyun/spark,SHASHANKB/spark,sahilTakiar/spark,ConeyLiu/spark,zero323/spark,apache-spark-on-k8s/spark,darionyaphet/spark,aray/spark,witgo/spark,markhamstra/spark,1haodian/spark,shaneknapp/spark,wangmiao1981/spark,huang1900/spark,pgandhi999/spark,tejasapatil/spark,JerryLead/spark,zuotingbing/spark,wzhfy/spark,debugger87/spark,MLnick/spark,xflin/spark,mdespriee/spark,HyukjinKwon/spark,lxsmnv/spark,cin/spark,JoshRosen/spark,wzhfy/spark,jkbradley/spark,highfei2011/spark,shubhamchopra/spark,mzl9039/spark,rednaxelafx/apache-spark,milliman/spark,bdrillard/spark,andrewor14/iolap,janewangfb/spark,joseph-torres/spark,actuaryzhang/spark,michalsenkyr/spark,ueshin/apache-spark,mahak/spark,Aegeaner/spark,cloud-fan/spark,BryanCutler/spark,patrick-nicholson/spark,adrian-ionescu/apache-spark,kevinyu98/spark,pronix/spark,stanzhai/spark,kissmetrics/spark,zero323/spark,holdenk/spark,dongjoon-hyun/spark,wangyum/spark,sahilTakiar/spark,brad-kaiser/spark,alunarbeach/spark,apache/spark,guoxiaolongzte/spark,byakuinss/spark,cin/spark,Aegeaner/spark,xuanyuanking/spark,ericvandenbergfb/spark,aosagie/spark,rikima/spark,dbtsai/spark,kimoonkim/spark,ueshin/apache-spark,JerryLead/spark,shuangshuangwang/spark,zero323/spark,dhruve/spark,Aegeaner/spark,guoxiaolongzte/spark,nlalevee/spark,stanzhai/spark,publicRoman/spark,vinodkc/spark,dbtsai/spark,saltstar/spark,tejasapatil/spark,nilsgrabbert/spark,SHASHANKB/spark,janewangfb/spark,ajaysaini725/spark,gengliangwang/spark,MLnick/spark,apache/spark,rikima/spark,ConeyLiu/spark,HyukjinKwon/spark,gengliangwang/spark,UndeadBaneGitHub/spark,aosagie/spark,cin/spark,minixalpha/spark,mzl9039/spark,kissmetrics/spark,jrshust/spark,bravo-zhang/spark,jrshust/spark,BryanCutler/spark,zuotingbing/spark,skonto/spark,tejasapatil/spark,highfei2011/spark,icexelloss/spark,rezasafi/spark,ajaysaini725/spark,mike0sv/spark,patrick-nicholson/spark,ahnqirage/spark,ddna1021/spark,map222/spark,kissmetrics/spark,skonto/spark,jiangxb1987/spark,JoshRosen/spark,bdrillard/spark,eyalfa/spark,skonto/spark,wangmiao1981/spark,holdenk/spark,kevinyu98/spark,apache-spark-on-k8s/spark,jianran/spark,hhbyyh/spark,narahari92/spark,akopich/spark,witgo/spark,ptkool/spark,kevinyu98/spark,caneGuy/spark,rekhajoshm/spark,goldmedal/spark,jkbradley/spark,spark-test/spark,metamx/spark,xflin/spark,mike0sv/spark,esi-mineset/spark,szhem/spark,janewangfb/spark,lxsmnv/spark,1haodian/spark,darionyaphet/spark,jrshust/spark,xflin/spark,zhouyejoe/spark,debugger87/spark,narahari92/spark,hvanhovell/spark,ioana-delaney/spark,akopich/spark,1haodian/spark,UndeadBaneGitHub/spark,sureshthalamati/spark,akopich/spark,tengpeng/spark,rekhajoshm/spark,huang1900/spark,szhem/spark,ron8hu/spark,big-pegasus/spark,holdenk/spark,holdenk/spark,huang1900/spark,ConeyLiu/spark,lvdongr/spark,esi-mineset/spark,HyukjinKwon/spark,adrian-ionescu/apache-spark,BryanCutler/spark,kiszk/spark,spark-test/spark,szhem/spark,minixalpha/spark,goldmedal/spark,LantaoJin/spark,nlalevee/spark,xuanyuanking/spark,chuckchen/spark,SHASHANKB/spark,ericvandenbergfb/spark,bOOm-X/spark,poffuomo/spark,mzl9039/spark,sachintyagi22/spark,kimoonkim/spark,ericvandenbergfb/spark,jkbradley/spark,matthewfranglen/spark,taroplus/spark,ddna1021/spark,WindCanDie/spark,lvdongr/spark,UndeadBaneGitHub/spark,Panos-Bletsos/spark-cost-model-optimizer,ahnqirage/spark,joseph-torres/spark,apache-spark-on-k8s/spark,lxsmnv/spark,xuanyuanking/spark,shubhamchopra/spark,nchammas/spark,someorz/spark,ron8hu/spark,bravo-zhang/spark,jlopezmalla/spark,LantaoJin/spark,andrewor14/spark,kissmetrics/spark,map222/spark,hvanhovell/spark,witgo/spark,debugger87/spark,michalsenkyr/spark,rednaxelafx/apache-spark,alunarbeach/spark,maropu/spark,byakuinss/spark,JerryLead/spark,saltstar/spark,esi-mineset/spark,nlalevee/spark,goldmedal/spark,hvanhovell/spark,gengliangwang/spark,Aegeaner/spark,liyichao/spark,HyukjinKwon/spark,andrewor14/iolap,chuckchen/spark,witgo/spark,zuotingbing/spark,zero323/spark,SnappyDataInc/spark,stanzhai/spark,ibm-research-ireland/sparkoscope,someorz/spark,someorz/spark,markhamstra/spark,aokolnychyi/spark,apache/spark,srowen/spark,narahari92/spark,ron8hu/spark,dhruve/spark,ioana-delaney/spark,xflin/spark,taroplus/spark,bdrillard/spark,gioenn/xSpark,rezasafi/spark,shubhamchopra/spark,holdenk/spark,lxsmnv/spark,jianran/spark,srowen/spark,sachintyagi22/spark,pgandhi999/spark,yanboliang/spark,WeichenXu123/spark,WindCanDie/spark,aokolnychyi/spark,Aegeaner/spark,cin/spark,wangmiao1981/spark,pronix/spark,xflin/spark,jlopezmalla/spark,Panos-Bletsos/spark-cost-model-optimizer,HyukjinKwon/spark,actuaryzhang/spark,liutang123/spark,ptkool/spark,ueshin/apache-spark,aray/spark,huang1900/spark,minixalpha/spark,ibm-research-ireland/sparkoscope,milliman/spark,apache/spark,facaiy/spark,maropu/spark,panfengfeng/spark,caneGuy/spark,MLnick/spark,aokolnychyi/spark,dongjoon-hyun/spark,jrshust/spark,cin/spark,rednaxelafx/apache-spark,Panos-Bletsos/spark-cost-model-optimizer,taroplus/spark,kimoonkim/spark,MLnick/spark,facaiy/spark,patrick-nicholson/spark,zero323/spark,bOOm-X/spark,taroplus/spark,poffuomo/spark,akopich/spark,aray/spark,alunarbeach/spark,ron8hu/spark,skonto/spark,WeichenXu123/spark,kiszk/spark,JoshRosen/spark,nilsgrabbert/spark,sahilTakiar/spark,srowen/spark,adrian-ionescu/apache-spark,dongjoon-hyun/spark,cloud-fan/spark,zhouyejoe/spark,pgandhi999/spark,zuotingbing/spark,ioana-delaney/spark,andrewor14/iolap,rekhajoshm/spark,wangyum/spark,LantaoJin/spark,mdespriee/spark,adrian-ionescu/apache-spark,minixalpha/spark,milliman/spark,saturday-shi/spark,ahnqirage/spark,stanzhai/spark,vinodkc/spark,wangmiao1981/spark,gioenn/xSpark,milliman/spark,metamx/spark,stanzhai/spark,tengpeng/spark,WindCanDie/spark,guoxiaolongzte/spark,hhbyyh/spark,nlalevee/spark,WindCanDie/spark,ptkool/spark,mdespriee/spark,haowu80s/spark,kimoonkim/spark,icexelloss/spark,big-pegasus/spark,bOOm-X/spark,cloud-fan/spark,dbtsai/spark,lxsmnv/spark,nilsgrabbert/spark,sahilTakiar/spark,byakuinss/spark,JoshRosen/spark,nilsgrabbert/spark,ptkool/spark,bOOm-X/spark,publicRoman/spark,ptkool/spark,zuotingbing/spark,caneGuy/spark,jianran/spark,gioenn/xSpark,liyichao/spark,ibm-research-ireland/sparkoscope,techaddict/spark,sachintyagi22/spark,stanzhai/spark,shuangshuangwang/spark,huang1900/spark,tejasapatil/spark,ddna1021/spark,witgo/spark,mahak/spark,maropu/spark,lvdongr/spark,zero323/spark,gengliangwang/spark,akopich/spark,nlalevee/spark,dbtsai/spark,gioenn/xSpark,lxsmnv/spark,lvdongr/spark,maropu/spark,nilsgrabbert/spark,ahnqirage/spark,kimoonkim/spark,dbtsai/spark,milliman/spark,sachintyagi22/spark,chuckchen/spark,aosagie/spark,aosagie/spark,cloud-fan/spark,yanboliang/spark,ueshin/apache-spark,big-pegasus/spark,joseph-torres/spark,aokolnychyi/spark,SHASHANKB/spark,milliman/spark,map222/spark,kiszk/spark,shaneknapp/spark,apache/spark,xuanyuanking/spark,jrshust/spark,vinodkc/spark,sureshthalamati/spark,patrick-nicholson/spark,publicRoman/spark,vinodkc/spark,publicRoman/spark,ddna1021/spark,goldmedal/spark,hvanhovell/spark,aray/spark,rikima/spark,andrewor14/iolap,brad-kaiser/spark,jiangxb1987/spark,UndeadBaneGitHub/spark,mdespriee/spark,ioana-delaney/spark,wangyum/spark,jkbradley/spark,facaiy/spark,loneknightpy/spark,nchammas/spark,andrewor14/iolap,hvanhovell/spark,saltstar/spark,jrshust/spark,LantaoJin/spark,loneknightpy/spark,actuaryzhang/spark,mahak/spark,icexelloss/spark,setjet/spark,rekhajoshm/spark,apache/spark,liyichao/spark,highfei2011/spark,ron8hu/spark,andrewor14/spark,icexelloss/spark,LantaoJin/spark,spark-test/spark,highfei2011/spark,pronix/spark,gioenn/xSpark,andrewor14/spark,mzl9039/spark,MLnick/spark,sureshthalamati/spark,liyichao/spark,UndeadBaneGitHub/spark,nchammas/spark,pronix/spark,liutang123/spark,shaneknapp/spark,bdrillard/spark,techaddict/spark,caneGuy/spark,minixalpha/spark,shubhamchopra/spark,milliman/spark,map222/spark,someorz/spark,kissmetrics/spark,tengpeng/spark,saturday-shi/spark,rezasafi/spark,setjet/spark,panfengfeng/spark,jiangxb1987/spark,techaddict/spark,jkbradley/spark,ibm-research-ireland/sparkoscope,loneknightpy/spark,andrewor14/iolap,setjet/spark,witgo/spark,esi-mineset/spark,vinodkc/spark,wangyum/spark,gengliangwang/spark,cin/spark,saturday-shi/spark,publicRoman/spark,facaiy/spark,panfengfeng/spark,gengliangwang/spark,dhruve/spark,skonto/spark,ddna1021/spark,andrewor14/spark,pgandhi999/spark,andrewor14/spark,yanboliang/spark,sahilTakiar/spark,goldmedal/spark,nchammas/spark,SHASHANKB/spark,ptkool/spark,zhouyejoe/spark,byakuinss/spark,eyalfa/spark,huang1900/spark,mzl9039/spark,hhbyyh/spark,szhem/spark,debugger87/spark,byakuinss/spark,shaneknapp/spark,rednaxelafx/apache-spark,janewangfb/spark,dbtsai/spark,adrian-ionescu/apache-spark,shuangshuangwang/spark,byakuinss/spark,markhamstra/spark,sachintyagi22/spark,bravo-zhang/spark,jkbradley/spark,ron8hu/spark,setjet/spark,wzhfy/spark,Panos-Bletsos/spark-cost-model-optimizer,szhem/spark,metamx/spark,setjet/spark,BryanCutler/spark,brad-kaiser/spark,SnappyDataInc/spark,loneknightpy/spark,ueshin/apache-spark,JerryLead/spark,tejasapatil/spark,ajaysaini725/spark,spark-test/spark,aokolnychyi/spark,darionyaphet/spark,guoxiaolongzte/spark,mike0sv/spark,tengpeng/spark,lxsmnv/spark,michalsenkyr/spark,dhruve/spark,SnappyDataInc/spark,lvdongr/spark,facaiy/spark,tengpeng/spark,eyalfa/spark,highfei2011/spark,shubhamchopra/spark,techaddict/spark,mzl9039/spark,poffuomo/spark,bravo-zhang/spark,yanboliang/spark,michalsenkyr/spark,HyukjinKwon/spark,WeichenXu123/spark,guoxiaolongzte/spark,patrick-nicholson/spark,alunarbeach/spark,panfengfeng/spark,WindCanDie/spark,srowen/spark,kiszk/spark,mike0sv/spark,caneGuy/spark,WindCanDie/spark,haowu80s/spark,saltstar/spark,ibm-research-ireland/sparkoscope,1haodian/spark,debugger87/spark,apache-spark-on-k8s/spark,jiangxb1987/spark,big-pegasus/spark,rezasafi/spark,SnappyDataInc/spark,kevinyu98/spark,aosagie/spark,dhruve/spark,LantaoJin/spark,JerryLead/spark,big-pegasus/spark,pronix/spark,WindCanDie/spark,saturday-shi/spark,publicRoman/spark,wangmiao1981/spark,WeichenXu123/spark,SnappyDataInc/spark,publicRoman/spark,sachintyagi22/spark,cloud-fan/spark,ueshin/apache-spark,MLnick/spark,wzhfy/spark,ericvandenbergfb/spark,darionyaphet/spark,jrshust/spark,shuangshuangwang/spark,darionyaphet/spark,bdrillard/spark,zzcclp/spark,wangmiao1981/spark,zhouyejoe/spark,wangyum/spark,nchammas/spark,dongjoon-hyun/spark,ericvandenbergfb/spark,ahnqirage/spark,techaddict/spark,esi-mineset/spark,sureshthalamati/spark,kimoonkim/spark,loneknightpy/spark,cloud-fan/spark,ueshin/apache-spark,spark-test/spark,goldmedal/spark,tejasapatil/spark,aray/spark,srowen/spark,Aegeaner/spark,icexelloss/spark,facaiy/spark,narahari92/spark,metamx/spark,caneGuy/spark,JoshRosen/spark,rednaxelafx/apache-spark,akopich/spark,stanzhai/spark,jianran/spark,mike0sv/spark,ahnqirage/spark,rikima/spark,markhamstra/spark,liutang123/spark,Panos-Bletsos/spark-cost-model-optimizer,techaddict/spark,bOOm-X/spark,janewangfb/spark,bravo-zhang/spark,map222/spark,eyalfa/spark,jianran/spark,adrian-ionescu/apache-spark,joseph-torres/spark,BryanCutler/spark,alunarbeach/spark,akopich/spark,ConeyLiu/spark,ajaysaini725/spark,vinodkc/spark,setjet/spark,zhouyejoe/spark,darionyaphet/spark,facaiy/spark,markhamstra/spark,saturday-shi/spark,srowen/spark,dongjoon-hyun/spark,adrian-ionescu/apache-spark,kiszk/spark,saturday-shi/spark,szhem/spark,pgandhi999/spark,andrewor14/spark,aosagie/spark,jlopezmalla/spark,chuckchen/spark,hvanhovell/spark,zzcclp/spark,jlopezmalla/spark,zzcclp/spark,apache/spark,mzl9039/spark,aokolnychyi/spark,xuanyuanking/spark,lonekni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