diff --git a/printer.cfg b/printer.cfg
index 4465066..dc92ec5 100644
--- a/printer.cfg
+++ b/printer.cfg
@@ -232,9 +232,12 @@ shutdown_value: 0
 pwm: True
 cycle_time: 0.0005 # Default beeper tone in kHz. 1 / 0.0005 = 2000Hz (2kHz)
 
-# Not figured at this point
+# NOTE Untested by me
+# The E0-Stop port appears to be a plug and play spot for this, see links:
+# https://www.reddit.com/r/Sovol/comments/1631jk5/comment/k18rmcy/?utm_source=share&utm_medium=web2x&context=3
+# https://github.com/bigtreetech/BIGTREETECH-SKR-mini-E3/blob/9b13018d639cf4fbecf004493517f72443d22bb0/hardware/BTT%20SKR%20MINI%20E3%20V3.0/Hardware/BTT%20E3%20SKR%20MINI%20V3.0_PIN.pdf
 # [filament_switch_sensor filament_sensor]
-# switch_pin: !PA4 # "Pulled-high"
+# switch_pin: PC15 # Add a ! to reverse if you're getting the opposite behaviour
 # pause_on_runout: True
 # insert_gcode:
 #     M117 Insert Detected