slight cleaning

src/main.cpp

@@ -21,7 +21,7 @@ static const int mgOledAddr = 0x3C;
 static const int mgScreenWidth = 128;
 static const int mgScreenHeight = 64;
 
-// Shelly HB9GPU
+// Shelly HB9GPU RF Setting
 static const float mgLoraFreqMHz = 865.000;
 static const float mgLoraBwKHz = 125.0;
 static const uint8_t mgLoraSf = 12;
@@ -34,7 +34,7 @@ static const bool mgLoraUseLdo = false;
 static const bool mgLoraUseCrc = false;
 static const bool mgLoraExplicitHeader = true;
 
-// MeshCore Switzerland profile
+// MeshCore Switzerland RF Settings
 /*
 static const float mgLoraFreqMHz = 869.618;
 static const float mgLoraBwKHz = 62.5;