diff --git a/examples/SI4844_ESP8266_POC/SI4844_ESP8266_POC.ino b/examples/SI4844_ESP8266_POC/SI4844_ESP8266_POC.ino
index f803736..a9aa451 100644
--- a/examples/SI4844_ESP8266_POC/SI4844_ESP8266_POC.ino
+++ b/examples/SI4844_ESP8266_POC/SI4844_ESP8266_POC.ino
@@ -4,10 +4,10 @@
  * 
  *  SI4844 and ESP8266 connections
  *  
- *  | SI4844 pin |  Arduino pin |  Description                                       |
+ *  | SI4844 pin |  ESP8266 pin |  Description                                       |
  *  | ---------  | ------------ | -------------------------------------------------  |
  *  |    2       | GPIO2        | Interrupt pin                                      |
- *  |   15       | GPIO12       | Regurlar digital pin used to RESET control         |
+ *  |   15       | GPIO15       | Regurlar digital pin used to RESET control         |
  *  |   16       | GPIO4(SDA)   | I2C bus (Data)                                     |
  *  |   17       | GPIO5(SCL)   | I2C bus (Clocl)                                    |
  * 
diff --git a/src/SI4844.h b/src/SI4844.h
index fd3d30d..2b10df1 100644
--- a/src/SI4844.h
+++ b/src/SI4844.h
@@ -252,12 +252,14 @@ volatile static bool data_from_device;
  * @details You can control the interrupt process via your sketch intead of this library. 
  * @see setStatusInterruptFromDevice, getStatusInterruptFromDevice, setup 
  */
+#ifdef ESP8266
+  IRAM_ATTR
+#endif
 static void interrupt_hundler()
 {
    data_from_device = true;
 }
 
-
 /**
  * @brief SI4844 Class 
  *