Layout fixes

Author: rcastley

content/en/_index.md

@@ -22,7 +22,7 @@ These workshops are going to take you through the best-in-class observability pl
 You can [contribute](https://github.com/splunk/observability-workshop) to this documentation via issues and pull requests. Please don't hesitate to help to make the workshops better.
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 You can find information about updates and interesting reads in the Twitter channel of [Splunk](https://twitter.com/splunk).
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