diff --git a/source/_components/sensor.speedtest.markdown b/source/_components/sensor.speedtest.markdown
index 3036a0a54f6..a6875aa36b6 100644
--- a/source/_components/sensor.speedtest.markdown
+++ b/source/_components/sensor.speedtest.markdown
@@ -24,6 +24,7 @@ Once per hour, on the hour (default):
 ```yaml
 sensor:
   platform: speedtest
+  server_id: 1234
   monitored_conditions:
     - ping
     - download
@@ -69,6 +70,7 @@ Configuration variables:
   - **ping**: Reaction time in ms of your connection, (how fast you get a response after you've sent out a request).
   - **download**: Download speed in Mbps.
   - **upload**: Upload speed in Mbps.
+- **server_id (*Optional*): Specify the speedtest server to perform test against.
 - **minute** (*Optional*): Specify the minute(s) of the hour to schedule the speedtest. Use a list for multiple entries. Default is 0.
 - **hour** (*Optional*): Specify the hour(s) of the day to schedule the speedtest. Use a list for multiple entries. Default is None.
 - **day** (*Optional*): Specify the day(s) of the month to schedule the speedtest. Use a list for multiple entries. Default is None.