Minor typo correction, to trigger buildbot
diff --git a/src/main/jbake/content/books-tutorials-and-talks.ad b/src/main/jbake/content/books-tutorials-and-talks.ad
index 8533072..db23701 100644
--- a/src/main/jbake/content/books-tutorials-and-talks.ad
+++ b/src/main/jbake/content/books-tutorials-and-talks.ad
@@ -40,7 +40,7 @@
Berlin Germany, June 12, 2017
https://www.youtube.com/watch?v=ZrWxySF-9KY&index=34&list=PLq-odUc2x7i-9Nijx-WfoRMoAfHC9XzTt
-* http://events.linuxfoundation.org/sites/events/files/slides/Apache2016prezo.pdf[A Deep Text Analysis Sytem based
+* http://events.linuxfoundation.org/sites/events/files/slides/Apache2016prezo.pdf[A Deep Text Analysis System based
on OpenNLP] Boris Galitsky, ApacheCon Europe 2016, Seville Spain, November 2016
https://feathercast.apache.org/2017/03/17/apachecon-seville-2016-a-deep-text-analysis-system-based-on-opennlp-boris-galitsky/
