fix broken links to Oreilly talk
diff --git a/site/_posts/news/2019-04-11-strata.md b/site/_posts/news/2019-04-11-strata.md
index e62e883..f535b39 100644
--- a/site/_posts/news/2019-04-11-strata.md
+++ b/site/_posts/news/2019-04-11-strata.md
@@ -3,4 +3,4 @@
shortnews: true
category: news
---
-Slides from Oreilly's Strata talk on Crail are now <a href="https://conferences.oreilly.com/strata/strata-ca/public/schedule/detail/71902">available</a>
+Slides from Oreilly's Strata talk on Crail are now <a href="https://conferences.oreilly.com/strata/strata-ca-2019/public/schedule/detail/71902">available</a>
diff --git a/site/documentation/index.md b/site/documentation/index.md
index 440d8f2..03483b4 100644
--- a/site/documentation/index.md
+++ b/site/documentation/index.md
@@ -7,7 +7,7 @@
## Presentations
* [Unification of Temporary Storage in the NodeKernel Architecture](https://www.usenix.org/conference/atc19/presentation/stuedi), USENIX ATC'19
- * [Data processing at the Speed of 100 Gbps using Apache Crail](https://conferences.oreilly.com/strata/strata-ca/public/schedule/detail/71902), Oreilly Strata, 2019.
+ * [Data processing at the Speed of 100 Gbps using Apache Crail](https://conferences.oreilly.com/strata/strata-ca-2019/public/schedule/detail/71902), Oreilly Strata, 2019.
* <a href="{{ site.base }}/files/crail-project-web.pdf">Data Processing at the Speed of 100 Gbps using Apache Crail (Incubating)</a>, ETH Zurich, September, 2018.
* [Serverless Machine Learning on Modern Hardware Using Apache Spark](https://databricks.com/session/serverless-machine-learning-on-modern-hardware-using-apache-spark), Spark AI Summit, 2018.
* [Data processing at the speed of 100 Gbps@Apache Crail (Incubating)](https://dataworkssummit.com/san-jose-2018/session/data-processing-at-the-speed-of-100-gbpsapache-crail-incubating/), DataWorks Summit, 2018.
