diff --git a/hardware/kicad/SIMtrace.sch b/hardware/kicad/SIMtrace.sch
index 1ed2d15..e06df55 100644
--- a/hardware/kicad/SIMtrace.sch
+++ b/hardware/kicad/SIMtrace.sch
@@ -321,6 +321,8 @@ F 0 "R19" H 9300 6100 50  0000 C CNN
 F 1 "100K" H 9300 6000 50  0000 C CNN
 F 2 "SM0603" H 9450 6000 60  0001 C CNN
 F 3 "" H 9450 6000 60  0001 C CNN
+F 4 "DNP" H 9300 5900 50  0000 C CNN "Place"
+F 5 "R20 and R21 already pull VCC_PHONE low" H 9450 6000 50  0001 C CNN "Note"
 	1    9450 6000
 	1    0    0    -1  
 $EndComp
diff --git a/hardware/pcb/schema/SIMtrace.pdf b/hardware/pcb/schema/SIMtrace.pdf
index f499167..bad3673 100644
Binary files a/hardware/pcb/schema/SIMtrace.pdf and b/hardware/pcb/schema/SIMtrace.pdf differ