diff --git a/components/cli/docs/sources/reference/commandline/cli.md b/components/cli/docs/sources/reference/commandline/cli.md
index e97738e5e6..3b98c6fcd9 100644
--- a/components/cli/docs/sources/reference/commandline/cli.md
+++ b/components/cli/docs/sources/reference/commandline/cli.md
@@ -1125,7 +1125,8 @@ and Docker images will report:
 
 The `--since` and `--until` parameters can be Unix timestamps, RFC3339
 dates or Go duration strings (e.g. `10m`, `1h30m`) computed relative to
-client machine’s time.
+client machine’s time. If you do not provide the --since option, the command
+returns only new and/or live events.
 
 #### Filtering