diff --git a/ADC-Control.md b/ADC-Control.md
index 421bf06..9e7edc3 100644
--- a/ADC-Control.md
+++ b/ADC-Control.md
@@ -30,7 +30,7 @@ Auto-calibration finds the minimum, middle and maximum values for ADC inputs.
 The limits will be stored in flash memory and will be erased only if you fully delete memory before flashing.<br />
 An alternative to bypass those limits is to change **FLASH_WRITE_KEY** in config.h to a value different than 0x1234.
 
-⚠ Auto-calibration only works if both ADC are connected/used.
+⚠ Auto-calibration only works if both ADC inputs are connected/used.
 
 
 # Extra Features