diff --git a/thermostat.kicad_sch b/thermostat.kicad_sch
index 3023c8d..17bc950 100644
--- a/thermostat.kicad_sch
+++ b/thermostat.kicad_sch
@@ -3188,7 +3188,10 @@
     (property "Datasheet" "https://www.analog.com/media/en/technical-documentation/data-sheets/ad5680.pdf" (at 168.275 100.33 0)
       (effects (font (size 1.27 1.27)) hide)
     )
-    (property "MFR_PN" "AD5680BRJZ" (at 177.165 101.6 0)
+    (property "MFR_PN" "AD5680BRJZ-1" (at 177.165 101.6 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Comment" "It must be \"-1\" model" (at 177.165 101.6 0)
       (effects (font (size 1.27 1.27)) hide)
     )
     (pin "1" (uuid cd0bde21-0441-4418-8330-6dd5a7d90601))