diff --git a/libraries/AP_RangeFinder/AP_RangeFinder_LeddarOne.cpp b/libraries/AP_RangeFinder/AP_RangeFinder_LeddarOne.cpp
index 37c9d7fd78..483ac126ee 100644
--- a/libraries/AP_RangeFinder/AP_RangeFinder_LeddarOne.cpp
+++ b/libraries/AP_RangeFinder/AP_RangeFinder_LeddarOne.cpp
@@ -62,8 +62,8 @@ bool AP_RangeFinder_LeddarOne::get_reading(uint16_t &reading_cm)
         read_len = 0;
         modbus_status = LEDDARONE_MODBUS_PRE_SEND_REQUEST;
 
-        // no "break;"
-        // to fall through to next state LEDDARONE_MODBUS_PRE_SEND_REQUEST immediately
+        // FALL THROUGH
+        // no break to fall through to next state LEDDARONE_MODBUS_PRE_SEND_REQUEST immediately
 
     case LEDDARONE_MODBUS_PRE_SEND_REQUEST:
         // send a request message for Modbus function 4