Merge pull request #40 from miku/master

Update README.md
onesuper · Apr 22, 2020 · 3ea1045 · 3ea1045
2 parents 84ac6db + 3b2c3dc
commit 3ea1045
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -211,7 +211,7 @@ df = DataFrame.from_es(url='http://localhost:9200', index='people', compat=7)
 
 ## Related Articles
 
-* [Spark and Elasticsearch for real-time data analysis](https://spark-summit.org/2015-east/wp-content/uploads/2015/03/SSE15-35-Leau.pdf)
+* [Spark and Elasticsearch for real-time data analysis](https://web.archive.org/web/20150911151523/https://spark-summit.org/2015-east/wp-content/uploads/2015/03/SSE15-35-Leau.pdf)
 
 
 ## LICENSE