diff --git a/conf/cassandra-env.sh b/conf/cassandra-env.sh
index 7b1b8d3203..b394d5f8cc 100644
--- a/conf/cassandra-env.sh
+++ b/conf/cassandra-env.sh
@@ -310,7 +310,7 @@ fi
 
 # To use mx4j, an HTML interface for JMX, add mx4j-tools.jar to the lib/
 # directory.
-# See http://wiki.apache.org/cassandra/Operations#Monitoring_with_MX4J
+# See http://cassandra.apache.org/doc/3.11/operating/metrics.html#jmx
 # By default mx4j listens on 0.0.0.0:8081. Uncomment the following lines
 # to control its listen address and port.
 #MX4J_ADDRESS="-Dmx4jaddress=127.0.0.1"