some fixes

qbluetoothleuart.h

@@ -19,7 +19,7 @@
  * \section intro_sec Introduction
  *
  * This library can be used to talk to BLE devices via UART in Qt.
- * It was designed to make taklking to device like the ESP32 from Qt easier.
+ * It was designed to make talking to devices like the ESP32 from Qt easier.
  *
  * \section section Installation
  * \code{.sh}
@@ -35,6 +35,12 @@
  * # Include library
  * include($$PWD/QBluetoothLeUart/QBluetoothLeUart.pri)
  * \endcode
+ *
+ * To enable the QML module you need to call
+ * \code{.cpp}
+ *  QBluetoothLeUart::init();
+ * \endcode
+ * somewhere before app.exec(); in your main.cpp.
  */
 
 /*!

qbluetoothleuartdevicemodel.cpp

@@ -59,6 +59,11 @@ void QBluetoothLeUartDeviceModel::remove(int row)
 }
 
 void QBluetoothLeUartDeviceModel::clear() {
-    for(int i = 0; i < this->availableDevices.length(); i++)
-        this->remove(i);
+
+    this->beginResetModel();
+    this->resetInternalData();
+
+    this->availableDevices.clear();
+
+    this->endResetModel();
 }