diff --git a/examples/m5coreink/platformio.ini b/examples/m5coreink/platformio.ini
index c5060334..93380db0 100644
--- a/examples/m5coreink/platformio.ini
+++ b/examples/m5coreink/platformio.ini
@@ -10,7 +10,7 @@
 
 [env:m5stack-core-esp32]
 platform = espressif32
-board = m5stack-core-esp32
+board = m5stack-coreink
 monitor_speed = 115200
 framework = arduino
 monitor_filters = time
@@ -19,6 +19,6 @@ build_flags =
     -D CORE_DEBUG_LEVEL=0
 
 lib_deps =
-    hpsaturn/CanAirIO Air Quality Sensors Library @ ^0.5.0
+    hpsaturn/CanAirIO Air Quality Sensors Library @ ^0.5.5
     https://github.com/ZinggJM/GxEPD2.git
-    https://github.com/hpsaturn/M5-CoreInk.git#fix_inkEnable_issue
\ No newline at end of file
+    https://github.com/hpsaturn/M5-CoreInk.git#fix_inkEnable_issue
diff --git a/examples/m5coreink/src/main.cpp b/examples/m5coreink/src/main.cpp
index f5322a88..f210f33c 100644
--- a/examples/m5coreink/src/main.cpp
+++ b/examples/m5coreink/src/main.cpp
@@ -5,9 +5,12 @@
  * This project using CanAirIO Sensors Library. You can find the library here:
  * https://github.com/kike-canaries/canairio_sensorlib
  * 
- * The source code, documentation and the last version of this project here:
+ * == W A R N I N G ==
+ *
+ * The source code, documentation and the **last version** of this sample is here:
  * https://github.com/hpsaturn/co2_m5coreink
  * 
+ * ==================
  * Tested with:
  * 
  * - One SCD30 (C02 sensor)