corrected errors in docs
corrected errors in docs

drufat/sympy,MridulS/sympy,ChristinaZografou/sympy,maniteja123/sympy,yukoba/sympy,vipulroxx/sympy,meghana1995/sympy,MridulS/sympy,liangjiaxing/sympy,Mitchkoens/sympy,AunShiLord/sympy,shikil/sympy,iamutkarshtiwari/sympy,jamesblunt/sympy,sunny94/temp,vipulroxx/sympy,abhiii5459/sympy,hargup/sympy,Curious72/sympy,kaushik94/sympy,sahmed95/sympy,farhaanbukhsh/sympy,abloomston/sympy,abloomston/sympy,meghana1995/sympy,cccfran/sympy,AunShiLord/sympy,grevutiu-gabriel/sympy,Vishluck/sympy,rahuldan/sympy,Sumith1896/sympy,Shaswat27/sympy,Curious72/sympy,skirpichev/omg,saurabhjn76/sympy,Arafatk/sympy,yukoba/sympy,chaffra/sympy,liangjiaxing/sympy,grevutiu-gabriel/sympy,jerli/sympy,beni55/sympy,jamesblunt/sympy,oliverlee/sympy,Designist/sympy,Arafatk/sympy,cswiercz/sympy,sampadsaha5/sympy,moble/sympy,jbbskinny/sympy,beni55/sympy,AkademieOlympia/sympy,sahilshekhawat/sympy,grevutiu-gabriel/sympy,toolforger/sympy,Shaswat27/sympy,Designist/sympy,garvitr/sympy,garvitr/sympy,mafiya69/sympy,kevalds51/sympy,asm666/sympy,ahhda/sympy,bukzor/sympy,dqnykamp/sympy,kevalds51/sympy,aktech/sympy,pandeyadarsh/sympy,postvakje/sympy,MechCoder/sympy,maniteja123/sympy,liangjiaxing/sympy,souravsingh/sympy,cccfran/sympy,cswiercz/sympy,atsao72/sympy,ahhda/sympy,abloomston/sympy,madan96/sympy,sunny94/temp,maniteja123/sympy,iamutkarshtiwari/sympy,lindsayad/sympy,shikil/sympy,abhiii5459/sympy,Mitchkoens/sympy,lindsayad/sympy,Sumith1896/sympy,aktech/sympy,debugger22/sympy,lindsayad/sympy,Davidjohnwilson/sympy,atreyv/sympy,Vishluck/sympy,postvakje/sympy,yukoba/sympy,kevalds51/sympy,Titan-C/sympy,mcdaniel67/sympy,VaibhavAgarwalVA/sympy,kumarkrishna/sympy,souravsingh/sympy,wyom/sympy,yashsharan/sympy,AkademieOlympia/sympy,jbbskinny/sympy,cswiercz/sympy,sampadsaha5/sympy,sahmed95/sympy,hargup/sympy,rahuldan/sympy,VaibhavAgarwalVA/sympy,madan96/sympy,kaichogami/sympy,rahuldan/sympy,asm666/sympy,yashsharan/sympy,AunShiLord/sympy,sahilshekhawat/sympy,wanglongqi/sympy,garvitr/sympy,hargup/sympy,jaimahajan1997/sympy,cccfran/sympy,skidzo/sympy,dqnykamp/sympy,mcdaniel67/sympy,ga7g08/sympy,Shaswat27/sympy,Mitchkoens/sympy,mafiya69/sympy,ga7g08/sympy,MridulS/sympy,jerli/sympy,jamesblunt/sympy,atreyv/sympy,ChristinaZografou/sympy,aktech/sympy,sampadsaha5/sympy,shikil/sympy,kaushik94/sympy,moble/sympy,bukzor/sympy,madan96/sympy,shipci/sympy,farhaanbukhsh/sympy,ga7g08/sympy,wanglongqi/sympy,shipci/sympy,Titan-C/sympy,oliverlee/sympy,souravsingh/sympy,debugger22/sympy,atreyv/sympy,ChristinaZografou/sympy,sahmed95/sympy,ahhda/sympy,AkademieOlympia/sympy,kaichogami/sympy,oliverlee/sympy,toolforger/sympy,pbrady/sympy,meghana1995/sympy,drufat/sympy,beni55/sympy,atsao72/sympy,kumarkrishna/sympy,Davidjohnwilson/sympy,emon10005/sympy,bukzor/sympy,jaimahajan1997/sympy,kaichogami/sympy,pandeyadarsh/sympy,vipulroxx/sympy,skidzo/sympy,MechCoder/sympy,drufat/sympy,dqnykamp/sympy,abhiii5459/sympy,Gadal/sympy,jaimahajan1997/sympy,wyom/sympy,postvakje/sympy,Arafatk/sympy,Titan-C/sympy,pbrady/sympy,mafiya69/sympy,pbrady/sympy,sahilshekhawat/sympy,Sumith1896/sympy,asm666/sympy,moble/sympy,kumarkrishna/sympy,toolforger/sympy,iamutkarshtiwari/sympy,atsao72/sympy,Designist/sympy,MechCoder/sympy,skidzo/sympy,kaushik94/sympy,Gadal/sympy,jerli/sympy,debugger22/sympy,wanglongqi/sympy,chaffra/sympy,pandeyadarsh/sympy,diofant/diofant,emon10005/sympy,chaffra/sympy,emon10005/sympy,Curious72/sympy,Vishluck/sympy,Gadal/sympy,wyom/sympy,farhaanbukhsh/sympy,mcdaniel67/sympy,Davidjohnwilson/sympy,sunny94/temp,jbbskinny/sympy,saurabhjn76/sympy,VaibhavAgarwalVA/sympy,shipci/sympy,yashsharan/sympy,saurabhjn76/sympy