diff --git a/doc/content/integrations/aws-iot/default/things.md b/doc/content/integrations/aws-iot/default/things.md
index f8f7a769da..a84a47c154 100644
--- a/doc/content/integrations/aws-iot/default/things.md
+++ b/doc/content/integrations/aws-iot/default/things.md
@@ -70,7 +70,7 @@ When creating things, you need to specify the minimum attributes for creating Lo
 - `regionalParametersVersion`: either `1.0`, `1.0.1`, `1.0.2` (or `1.0.2-a`), `1.0.2-b`, `1.0.3-a`, `1.1-a` or `1.1-b`
 - `appKey`: hexadecimal LoRaWAN AppKey
 - `nwkKey`: hexadecimal LoRaWAN NwkKey (only when using LoRaWAN 1.1 or higher)
-- Optional `deviceID`: the device ID that will be used to create the device in your {{% tts %}} application. When omitted, the integration uses `eui-<dev-eui>` as device ID.
+- Optional `deviceID`: the device ID that will be used to create the device in your {{% tts %}} application. The deviceID should follow the pattern `^[a-z0-9](?:[-]?[a-z0-9]){2,}$`. When omitted, the integration uses `eui-<dev-eui>` as device ID.
 - Optional `frequencyPlanID`: the frequency plan ID. See [Frequency Plans]({{< ref "/reference/frequency-plans" >}}) for the supported values. When omitted, the default frequency plan of your AWS region is used. See the **Outputs** section of your AWS CloudFormation stack to see which one that is.
 
 {{< figure src="../create-thing-3.png" alt="Create Thing" >}}