Fix a typo in manipulation.rst [skip ci]
Fix a typo in manipulation.rst [skip ci]

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