diff --git a/source/_components/fastdotcom.markdown b/source/_components/fastdotcom.markdown
index d0fa17548da..4d22bcb2dc9 100644
--- a/source/_components/fastdotcom.markdown
+++ b/source/_components/fastdotcom.markdown
@@ -79,3 +79,4 @@ action:
 
 - When running on Raspberry Pi, the maximum speed is limited by its 100 Mbit/s LAN adapter.
 - The sensor will return the maximum measured speed during a 15-second test.
+- Speed tests consume data depending on your internet speed, make sure to consider this if your internet connection has limited bandwidth.