Fixed typos and validated the document.
Fixed typos and validated the document.

muffato/public-plugins,muffato/public-plugins,andrewyatz/public-plugins,andrewyatz/public-plugins,muffato/public-plugins,andrewyatz/public-plugins,Ensembl/public-plugins,andrewyatz/public-plugins,Ensembl/public-plugins,muffato/public-plugins,Ensembl/public-plugins,andrewyatz/public-plugins