docs fixes
docs fixes

mcdaniel67/sympy,lindsayad/sympy,ChristinaZografou/sympy,aktech/sympy,jerli/sympy,yashsharan/sympy,aktech/sympy,kaichogami/sympy,skidzo/sympy,sampadsaha5/sympy,lindsayad/sympy,Curious72/sympy,skidzo/sympy,ahhda/sympy,ChristinaZografou/sympy,mcdaniel67/sympy,Titan-C/sympy,hargup/sympy,chaffra/sympy,postvakje/sympy,yashsharan/sympy,jaimahajan1997/sympy,kaushik94/sympy,rahuldan/sympy,drufat/sympy,mafiya69/sympy,Titan-C/sympy,madan96/sympy,Shaswat27/sympy,Arafatk/sympy,drufat/sympy,mafiya69/sympy,sampadsaha5/sympy,yashsharan/sympy,Titan-C/sympy,lindsayad/sympy,postvakje/sympy,rahuldan/sympy,madan96/sympy,souravsingh/sympy,postvakje/sympy,kaushik94/sympy,jaimahajan1997/sympy,oliverlee/sympy,hargup/sympy,rahuldan/sympy,souravsingh/sympy,chaffra/sympy,jaimahajan1997/sympy,Curious72/sympy,Shaswat27/sympy,kaichogami/sympy,ChristinaZografou/sympy,oliverlee/sympy,Shaswat27/sympy,ahhda/sympy,chaffra/sympy,mcdaniel67/sympy,drufat/sympy,souravsingh/sympy,aktech/sympy,kaichogami/sympy,jerli/sympy,kaushik94/sympy,jerli/sympy,madan96/sympy,skidzo/sympy,sampadsaha5/sympy,Arafatk/sympy,Curious72/sympy,hargup/sympy,oliverlee/sympy,Arafatk/sympy,ahhda/sympy,mafiya69/sympy