diff --git a/plugins/inputs/openntpd/README.md b/plugins/inputs/openntpd/README.md
index fad2985af..7a6f93730 100644
--- a/plugins/inputs/openntpd/README.md
+++ b/plugins/inputs/openntpd/README.md
@@ -41,7 +41,7 @@ See the [CONFIGURATION.md][CONFIGURATION.md] for more details.
   # binary = "/usr/sbin/ntpctl"
 
   ## Maximum time the ntpctl binary is allowed to run.
-  # timeout = "5ms"
+  # timeout = "5s"
 ```
 
 ## Metrics
diff --git a/plugins/inputs/openntpd/sample.conf b/plugins/inputs/openntpd/sample.conf
index b6538c18c..3a27110ce 100644
--- a/plugins/inputs/openntpd/sample.conf
+++ b/plugins/inputs/openntpd/sample.conf
@@ -7,4 +7,4 @@
   # binary = "/usr/sbin/ntpctl"
 
   ## Maximum time the ntpctl binary is allowed to run.
-  # timeout = "5ms"
+  # timeout = "5s"