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diff --git a/docs/structured_logging.md b/docs/structured_logging.md
index d43dc9eb6e..002565b223 100644
--- a/docs/structured_logging.md
+++ b/docs/structured_logging.md
@@ -3,7 +3,7 @@
A structured logging system can be useful when your logs are destined for a
machine to parse and process. By maintaining its machine-readable characteristics,
it enables more efficient searching and aggregations when consumed by software
-such as the "ELK stack".
+such as the [ELK stack](https://opensource.com/article/18/9/open-source-log-aggregation-tools).
Synapse's structured logging system is configured via the file that Synapse's
`log_config` config option points to. The file should include a formatter which
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