diff --git a/source/developers/component_discovery.markdown b/source/developers/component_discovery.markdown
index a645235de94..2911adaa26d 100644
--- a/source/developers/component_discovery.markdown
+++ b/source/developers/component_discovery.markdown
@@ -57,3 +57,4 @@ SERVICE_HANDLERS = {
     ...
     SERVICE_AWESOMEDEVICE: ('awesomedevice', None),
 }
+```