diff --git a/library/adc-dac.lib b/library/adc-dac.lib
index 848e9680..3125e2b3 100644
--- a/library/adc-dac.lib
+++ b/library/adc-dac.lib
@@ -118,10 +118,10 @@ DRAW
 P 6 0 1 10 350 250 -400 250 -650 0 -400 -250 350 -250 350 250 f
 X SCK 1 500 100 150 L 50 50 1 1 I
 X SDO/~RDY~ 2 500 0 150 L 50 50 1 1 O
-X Ain+ 3 -700 100 150 R 50 50 1 1 P
-X Ain- 4 -700 -100 150 R 50 50 1 1 P
-X Vref+ 5 -600 200 150 R 50 50 1 1 P
-X Vref- 6 -600 -200 150 R 50 50 1 1 P
+X Ain+ 3 -700 100 150 R 50 50 1 1 I
+X Ain- 4 -700 -100 150 R 50 50 1 1 I
+X Vref+ 5 -600 200 150 R 50 50 1 1 I
+X Vref- 6 -600 -200 150 R 50 50 1 1 I
 X GND 7 -100 -400 150 U 50 50 1 1 W
 X VDD 8 100 400 150 D 50 50 1 1 W
 X ~RST 9 500 -100 150 L 50 50 1 1 I