Adjust readme.

README.md

@@ -18,6 +18,7 @@ I am creating these files for my personal use and cannot be held responsible for
 - [Preface](#preface)
 - [Before You Begin](#before-you-begin)
 - [Klipper Installation](#klipper-installation)
+  - [Flash Firmware](#flash-firmware)
   - [Download OSS Klipper Configuration](#download-oss-klipper-configuration)
   - [Setup Instructions](#setup-instructions)
 - [Initial Steps](#initial-steps)
@@ -155,8 +156,10 @@ You will be pasting/typing these commands into the Mainsail/Fluidd console.
    1. `G28`
    2. `G90`
    3. `G1 X{insert_X_position_max_here} F3000`
+      - Example `G1 X223 F3000`
    4. `G1 Y{insert_Y_position_max_here} F3000`
-2. _This step is optional_. Do a mechanical gantry calibration; `G34`. After the controlled collision against the beam at the top, there will be a 10 second pause for you to verify that both sides of the gantry are pressed up against the `stoppers` at the top. ~~You will hear a succession of beeps.~~
+      - Example `G1 Y223 F3000`
+2. _This step is optional_: do this step if the official firmware for your printer has this as an option. Mechanical gantry calibration; `G34`. After the controlled collision against the beam at the top, there will be a 10 second pause for you to verify that both sides of the gantry are pressed up against the `stoppers` at the top. ~~You will hear a succession of beeps.~~
    1. Figure out your `Z` `position_max` by baby stepping your way up to the beam, and adjust `position_max`, if necessary.
 3. PID tune the bed. Ideally, all PID tuning should occur at the temperatures that you print most at.
    1. `PID_TEST_BED TEMP=70`