Merge pull request I-Connect#58 from zanna-37/docs-close-stale-connec…

…tions

docs: encourage the use of updateConnectionState()

README.md

@@ -47,6 +47,8 @@ Logging can be enabled by setting the following defines (these are also availabl
         void loop() {
           scanner.update();
           delay(10);
+          // Terminate stale Bluetooth connections
+          updateConnectionState();
         }
 
 ## Nuki opener

src/NukiBle.h

@@ -60,8 +60,10 @@ class NukiBle : public BLEClientCallbacks, public BleScanner::Subscriber {
      * @brief checks the time past after last connect/communication sent, if the time past > timeout
      * it will disconnect the BLE connection with the lock so that lock will start sending advertisements.
      *
-     * This method is optional as the lock will also disconnect automaticlally after ~20 sec.
-     * If used this method should be run in loop or a task.
+     * This method is optional since the lock will automatically disconnect after approximately 20
+     * seconds. However, the lock might be unresponsive during this time if the connection is stale.
+     * For this reason, using this method is advised.
+     * If used, this method should be run in loop or a task.
      *
      */
     void updateConnectionState();