diff --git a/bot_config.yaml.example b/bot_config.yaml.example
index 6f394cd..4f8f611 100644
--- a/bot_config.yaml.example
+++ b/bot_config.yaml.example
@@ -9,6 +9,7 @@ allowed_sources:
     - 'private'
     - 'group'
     - 'supergroup'
+units: 'F'
 probes:
     srv1:
         loc: 'Office'