update comment

Author: hathach

libraries/Bluefruit52Lib/examples/Peripheral/StandardFirmataBLE/StandardFirmataBLE.ino

@@ -784,6 +784,7 @@ void setup()
 
   // Config the peripheral connection with maximum bandwidth 
   // more SRAM required by SoftDevice
+  // Note: All config***() function must be called before begin()
   Bluefruit.configPrphBandwidth(BANDWIDTH_MAX);
 
   Bluefruit.begin();

libraries/Bluefruit52Lib/examples/Peripheral/bleuart/bleuart.ino

@@ -38,6 +38,7 @@ void setup()
 
   // Config the peripheral connection with maximum bandwidth 
   // more SRAM required by SoftDevice
+  // Note: All config***() function must be called before begin()
   Bluefruit.configPrphBandwidth(BANDWIDTH_MAX);
 
   Bluefruit.begin();

libraries/Bluefruit52Lib/examples/Projects/homekit/homekit_lightbulb/homekit_lightbulb.ino

@@ -26,7 +26,7 @@ void setup()
 
   // Homekit uses a lot of characteristics so that default Attr Table size
   // is not enough. Therefore we need to incresae the ATTR Table Size
-  // All .config***() functions must be called before .begin()
+  // Note: All config***() function must be called before begin()
   Bluefruit.configAttrTableSize(3000);
 
   Bluefruit.begin();