fixed typos in reST syntax for some links
fixed typos in reST syntax for some links
mitya57/mathjax-docs,GerHobbelt/MathJax-docs,Axure/MathJax-docs,mathjax/MathJax-docs,Axure/MathJax-docs,mathjax/MathJax-docs,GerHobbelt/MathJax-docs,mitya57/mathjax-docs