diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 92f3be0b..6f47d123 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -4420,7 +4420,7 @@ void prompt_for_input() {
     case PROMPT_I2CSCAN:
       Serial.print("I2C scan");
 
-/ --------------------------------------
+// --------------------------------------
 // i2c_scanner
 //
 // Version 1