diff -r 61034c56a41e -r 1211070f439d src/jdk.jfr/share/classes/jdk/jfr/consumer/RecordingStream.java
--- a/src/jdk.jfr/share/classes/jdk/jfr/consumer/RecordingStream.java	Mon Sep 30 14:29:09 2019 +0200
+++ b/src/jdk.jfr/share/classes/jdk/jfr/consumer/RecordingStream.java	Mon Sep 30 15:24:49 2019 +0200
@@ -253,6 +253,8 @@
      * <p>
      * If neither maximum limit or the maximum age is set, the size of the
      * recording may grow indefinitely.
+     * <p>
+     * The size is measured in bytes.
      *
      * @param maxSize the amount of data to retain, {@code 0} if infinite
      *