Update README.md

Author: mderevyankoaqa

README.md

@@ -15,6 +15,7 @@ The plugin sends metrics to InfluxDB and provides the possibility to visualize t
 
 ## Compatibility
 The supported versions:
+* Java 11 - make sure that you have it.
 * InfluxDB v2.0, see release notes: https://docs.influxdata.com/influxdb/v2.0/reference/release-notes/influxdb/  (1.8 is not supported)
 * JMeter 5.3.