diff --git a/prosjekt.X/voltage.c b/prosjekt.X/voltage.c
index b06fa06..641c46f 100644
--- a/prosjekt.X/voltage.c
+++ b/prosjekt.X/voltage.c
@@ -49,9 +49,9 @@ uint16_t external_voltage_read(){
 }
 
 uint16_t internal_voltage_read() {
-    /* Gets value for the internal voltage reffreance*/
+    /* Gets value for the internal voltage refreance*/
     
-    ADC0.MUXPOS = 0x44;
+    ADC0.MUXPOS = 0x44; // Read VDDD10
     uint8_t adc_val = ADC0_read();
     
     return adc_val*10;