diff --git a/telegram.yaml b/telegram.yaml
index 213dd07..60447a7 100644
--- a/telegram.yaml
+++ b/telegram.yaml
@@ -2,7 +2,8 @@ serial:
   device: ttyS1
   baudrate: 9600
   bytesize: 8
-  stopbits: 7
+  # 1, 2, 15
+  stopbits: 1
   lograw: true