diff --git a/docs/FAQ.md b/docs/FAQ.md
index 08394c89..0015f766 100644
--- a/docs/FAQ.md
+++ b/docs/FAQ.md
@@ -17,7 +17,8 @@ Frequently asked questions
 14. [When I set "restart_method=command" my AVR device just hangs on a restart](#when-i-set-restart_methodcommand-my-avr-device-just-hangs-on-a-restart)
 15. [Will the heaters be left on if the Raspberry Pi crashes?](#will-the-heaters-be-left-on-if-the-raspberry-pi-crashes)
 16. [How do I convert a Marlin pin number to a Klipper pin name?](#how-do-i-convert-a-marlin-pin-number-to-a-klipper-pin-name)
-17. [How do I upgrade to the latest software?](#how-do-i-upgrade-to-the-latest-software)
+17. [How do I cancel an M109/M190 "wait for temperature" request?](#how-do-i-cancel-an-m109m190-wait-for-temperature-request)
+18. [How do I upgrade to the latest software?](#how-do-i-upgrade-to-the-latest-software)
 
 ### How can I donate to the project?
 
@@ -349,6 +350,17 @@ support these custom pin numbers - check Marlin's fastio headers (see
 above) to translate these pin numbers to their standard hardware
 names.
 
+### How do I cancel an M109/M190 "wait for temperature" request?
+
+Navigate to the OctoPrint terminal tab and issue an M112 command in
+the terminal box. The M112 command will cause Klipper to enter into a
+"shutdown" state, and it will cause OctoPrint to disconnect from
+Klipper. Navigate to the OctoPrint connection area and click on
+"Connect" to cause OctoPrint to reconnect. Navigate back to the
+terminal tab and issue a FIRMWARE_RESTART command to clear the Klipper
+error state.  After completing this sequence, the previous heating
+request will be canceled and a new print may be started.
+
 ### How do I upgrade to the latest software?
 
 The general way to upgrade is to ssh into the Raspberry Pi and run: