diff --git a/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdStart.java b/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdStart.java
index a7e423e549a..6fb6866cdff 100644
--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdStart.java
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdStart.java
@@ -418,9 +418,9 @@ final class DCmdStart extends AbstractDCmd {
                 $ jcmd <pid> JFR.start filename=dump.jfr
                 $ jcmd <pid> JFR.start filename=%s
                 $ jcmd <pid> JFR.start dumponexit=true
-                $ jcmd <pid> JFR.start maxage=1h,maxsize=1000M
+                $ jcmd <pid> JFR.start maxage=1h maxsize=1000M
                 $ jcmd <pid> JFR.start settings=profile
-                $ jcmd <pid> JFR.start delay=5m,settings=my.jfc
+                $ jcmd <pid> JFR.start delay=5m settings=my.jfc
                 $ jcmd <pid> JFR.start gc=high method-profiling=high
                 $ jcmd <pid> JFR.start jdk.JavaMonitorEnter#threshold=1ms
                 $ jcmd <pid> JFR.start +HelloWorld#enabled=true +HelloWorld#stackTrace=true