Revert "Update index.md"

This reverts commit 9bbe6e40def6dc242c4a40b55ea7b03b9ab96aef.
Revert "Revert "Update index.md""

This reverts commit efba6637f8c544c697ddc2e6afd51eadd470e4c8.
Revert "Update index.md"

This reverts commit 9bbe6e40def6dc242c4a40b55ea7b03b9ab96aef.