diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8150685e5c0..60766ca7775 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2018-06-14  Philippe Waroquiers  <philippe.waroquiers@skynet.be>
+
+	* cli/cli-script.c (_initialize_cli_script): Fix online documentation
+	of 'define' command.
+
 2018-06-14  Tom de Vries  <tdevries@suse.de>
 
 	PR cli/22573
diff --git a/gdb/cli/cli-script.c b/gdb/cli/cli-script.c
index 72de8ec1c78..87ebf9fc00c 100644
--- a/gdb/cli/cli-script.c
+++ b/gdb/cli/cli-script.c
@@ -1602,7 +1602,9 @@ Define a new command name.  Command name is argument.\n\
 Definition appears on following lines, one command per line.\n\
 End with a line of just \"end\".\n\
 Use the \"document\" command to give documentation for the new command.\n\
-Commands defined in this way may have up to ten arguments."));
+Commands defined in this way may accept an unlimited number of arguments\n\
+accessed via $arg0 .. $argN.  $argc tells how many arguments have\n\
+been passed."));
 
   add_com ("while", class_support, while_command, _("\
 Execute nested commands WHILE the conditional expression is non zero.\n\