Fix header formatting in introduction.mdx

Signed-off-by: Duco Sebel <[email protected]>

Author: DCSBL

docs/introduction.mdx

@@ -35,7 +35,7 @@ Read more about the [new version of the API here](/docs/category/api-v2).
 
 To understand the basics of the API, you can read the [getting-started](/docs/getting-started) guide and explore [v1](/docs/category/api-v1) or [v2](/docs/category/api-v2) to learn about all the available features.
 
-## Devices and API Versions {#devices}.
+## Devices and API Versions. {#devices}
 
 The following table shows which devices are supported by the API and which API version they support.