diff --git a/src/main.cpp b/src/main.cpp
index 47b01f8..f283167 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -433,6 +433,7 @@ void osdProcess()
         max_step_range = max_bin;
 // Store RSSI value for RSSI Method
 #ifdef METHOD_RSSI
+        // set to the min RSSI value
         max_step_range = 120;
         if (result[max_bin] != 0)
         {