Fix some broken HTML in the index.md page
Fix some broken HTML in the index.md page

Signed-off-by: Sven Dowideit <6f6969dc7db01e7204496bfb27e43d63ec4b2eb3@home.org.au>

sfsmithcha/docs-base,thaJeztah/docs-base,sanscontext/docs-base,mikedougherty/docs-base,sfsmithcha/docs-base,SvenDowideit/docs-base,thaJeztah/docs-base,sfsmithcha/docs-base,SvenDowideit/docs-base,sanscontext/docs-base,SvenDowideit/docs-base,mikedougherty/docs-base,sanscontext/docs-base,mikedougherty/docs-base,thaJeztah/docs-base