diff --git a/sonoff/_changelog.ino b/sonoff/_changelog.ino
index 230a541b7..d9044fcae 100644
--- a/sonoff/_changelog.ino
+++ b/sonoff/_changelog.ino
@@ -2,7 +2,8 @@
  * Change web Configure Module GPIO drop down list order for better readability
  * Fix showing Period Power in energy threshold messages
  * Fix ButtonRetain to not use default topic for clearing retain messages (#3737)
- * Add sleep to Nova Fitness SDS01X sensor (#2841, #3724)
+ * Add sleep to Nova Fitness SDS01X sensor (#2841, #3724, #3749)
+ * Add Analog input AD0 enabled to sonoff-sensors.bin (#3756, #3757)
  *
  * 6.2.1.2 20180906
  * Fix KNX PA exception. Regression from 6.2.1 buffer overflow caused by subStr() (#3700, #3710)
diff --git a/sonoff/xdrv_99_debug.ino b/sonoff/xdrv_99_debug.ino
index 8a167511c..3cd2e69c5 100644
--- a/sonoff/xdrv_99_debug.ino
+++ b/sonoff/xdrv_99_debug.ino
@@ -182,6 +182,7 @@ void CpuLoadLoop()
 
 #if defined(ARDUINO_ESP8266_RELEASE_2_3_0) || defined(ARDUINO_ESP8266_RELEASE_2_4_0) || defined(ARDUINO_ESP8266_RELEASE_2_4_1)
 // All version before core 2.4.2
+// https://github.com/esp8266/Arduino/issues/2557
 
 extern "C" {
 #include <cont.h>
@@ -190,7 +191,6 @@ extern "C" {
 
 void DebugFreeMem()
 {
-//  https://github.com/esp8266/Arduino/issues/2557
   register uint32_t *sp asm("a1");
 
 //  snprintf_P(log_data, sizeof(log_data), PSTR(D_LOG_DEBUG "FreeRam %d, FreeStack %d, UnmodifiedStack %d (%s)"),
@@ -213,7 +213,6 @@ extern "C" {
 
 void DebugFreeMem()
 {
-// https://github.com/esp8266/Arduino/issues/2557
   register uint32_t *sp asm("a1");
 
   snprintf_P(log_data, sizeof(log_data), PSTR(D_LOG_DEBUG "FreeRam %d, FreeStack %d (%s)"),
diff --git a/sonoff/xdsp_05_epaper.ino b/sonoff/xdsp_05_epaper.ino
index 59a08584b..91eb747f2 100644
--- a/sonoff/xdsp_05_epaper.ino
+++ b/sonoff/xdsp_05_epaper.ino
@@ -188,7 +188,7 @@ boolean Xdsp05(byte function)
     if (FUNC_DISPLAY_INIT_DRIVER == function) {
       EpdInitDriver();
     }
-    else if (XDSP_04 == Settings.display_model) {
+    else if (XDSP_05 == Settings.display_model) {
 
       if (!dsp_color) { dsp_color = COLORED; }