diff --git a/README.md b/README.md
index eb8992f..e732704 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,9 @@ Software:
 - MQTT Server address
 - MAC address(es) of your Xiaomi Mi Plant sensor(s)
 
-2) Open ino sketch in Arduino, compile & upload. 
+2) Open Arduino, Sketch -> Include Library -> Manage Libraries... and install ESP32 BLE library by Neil Kolban / Version 1.0.1
+
+3) Open ino sketch in Arduino, compile & upload. 
 
 ## Measuring interval
 
diff --git a/flora/flora.ino b/flora/flora.ino
index 1cda8a5..9af9b1d 100644
--- a/flora/flora.ino
+++ b/flora/flora.ino
@@ -31,7 +31,7 @@
    SOFTWARE.
 */
 
-#include "BLEDevice.h"
+#include <BLEDevice.h>
 #include <WiFi.h>
 #include <PubSubClient.h>