diff --git a/plugins/inputs/internet_speed/README.md b/plugins/inputs/internet_speed/README.md
index 23c60dd56e6a9..d09fed4514331 100644
--- a/plugins/inputs/internet_speed/README.md
+++ b/plugins/inputs/internet_speed/README.md
@@ -7,6 +7,11 @@ The `Internet Speed Monitor` collects data about the internet speed on the syste
 ```toml
 # Monitors internet speed using speedtest.net service
 [[inputs.internet_speed]]
+  ## This plugin downloads many MB of data each time it is run. As such
+  ## consider setting a higher interval for this plugin to reduce the
+  ## demand on your internet connection.
+  # interval = "60m"
+
   ## Sets if runs file download test
   # enable_file_download = false
 
diff --git a/plugins/inputs/internet_speed/sample.conf b/plugins/inputs/internet_speed/sample.conf
index e2e602a7ee7e3..a51a88843d275 100644
--- a/plugins/inputs/internet_speed/sample.conf
+++ b/plugins/inputs/internet_speed/sample.conf
@@ -1,5 +1,10 @@
 # Monitors internet speed using speedtest.net service
 [[inputs.internet_speed]]
+  ## This plugin downloads many MB of data each time it is run. As such
+  ## consider setting a higher interval for this plugin to reduce the
+  ## demand on your internet connection.
+  # interval = "60m"
+
   ## Sets if runs file download test
   # enable_file_download = false