diff --git a/Debug-Serial.md b/Debug-Serial.md
index a5a8eec..9f68767 100644
--- a/Debug-Serial.md
+++ b/Debug-Serial.md
@@ -9,7 +9,7 @@ Debug Serial will allow you to get information from the board as Human readable
 
 ⚠ Red wire from sensor cable delivers 15v !!!
 
-## Output
+## Output:
 
 Use a serial terminal/monitor to read the output at 38400 baudrate.<br />
  DEBUG_SERIAL_ASCII output is: