diff --git a/src/macsniff.cpp b/src/macsniff.cpp
index 24ac6c3f..c3e75f7e 100644
--- a/src/macsniff.cpp
+++ b/src/macsniff.cpp
@@ -107,11 +107,15 @@ class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {
 
         http://dev.ti.com/tirex/content/simplelink_academy_cc2640r2sdk_1_12_01_16/modules/ble_scan_adv_basic/ble_scan_adv_basic.html
 
+        http://microchipdeveloper.com/wireless:ble-link-layer-packet-types
+
+        http://microchipdeveloper.com/wireless:ble-link-layer-address
+
         "The Class of Device (CoD) in case of Bluetooth which allows us to differentiate the type of 
         device (smartphone, handsfree, computer, LAN/network AP). With this parameter we can 
         differentiate among pedestrians and vehicles."
+
         #endif
-        
         */
         
         // Current devices seen on this scan session
diff --git a/src/main.h b/src/main.h
index f4aaeddc..16d94464 100644
--- a/src/main.h
+++ b/src/main.h
@@ -13,10 +13,11 @@
 
 // BLE scan parameters
 #define BLESCANCYCLE                    2       // BLE scan once after each <BLECYCLE> wifi scans
-#define BLESCANTIME                     11      // [seconds] scan duration, see above
-#define BLESCANWINDOW                   100     // [milliseconds] scan window, see above, 25 .. 10240
-#define BLESCANINTERVAL                 100     // [milliseconds] how long to wait between scans, 25 .. 10240
-/*
+#define BLESCANTIME                     11      // [seconds] scan duration, see note below
+#define BLESCANWINDOW                   100     // [milliseconds] scan window, see below, 3 .. 10240, default 10
+#define BLESCANINTERVAL                 100     // [milliseconds] how long to wait between scans, 3 .. 10240, default 10
+
+/* Note: guide for setting bluetooth parameters
 *
 * |< Scan Window >       |< Scan Window >       |< Scan Window >       |
 * |<    Scan Interval   >|<    Scan Interval   >|<    Scan Interval   >|