diff --git a/gpio/gpio_blink/README.md b/gpio/gpio_blink/README.md
index 42d6c8c..3b8b9dc 100644
--- a/gpio/gpio_blink/README.md
+++ b/gpio/gpio_blink/README.md
@@ -41,4 +41,10 @@ Run the application and the LED should start blinking.  Hold the back button to
 - We loop if the back button is not currently pressed.
   ```c
   while(furi_hal_gpio_read(pin_back))
-  ```
\ No newline at end of file
+  ```
+
+- Typically when a pin is no longer in use, it is set to analog mode.  This causes the pin to be a floating input.
+  ```c
+  furi_hal_gpio_init_simple(pin_led, GpioModeAnalog);
+  ```
+