diff --git a/examples/cli.ini b/examples/cli.ini
index f06cc51ef..34fb8ab02 100644
--- a/examples/cli.ini
+++ b/examples/cli.ini
@@ -1,4 +1,6 @@
-# This is an example of the kind of things you can do in a configuration file
+# This is an example of the kind of things you can do in a configuration file.
+# All flags used by the client can be configured here. Run Let's Encrypt with
+# "--help" to learn more about the available options.
 
 # Use a 4096 bit RSA key instead of 2048
 rsa-key-size = 4096