Update keyboards/mechlovin/mechlovin9/rev3/readme.md

Co-authored-by: jack <[email protected]>

keyboards/mechlovin/mechlovin9/rev3/readme.md

@@ -1,6 +1,6 @@
 # mechlovin9
 
-![mechlovin9](https://i.imgur.com/T5Lm6OYl.png)
+![mechlovin9](https://i.imgur.com/T5Lm6OYlh.png)
 
 A 65% PCB, compatible with Kyuu.
 
@@ -12,6 +12,12 @@ Make example for this keyboard (after setting up your build environment):
 
     make mechlovin/mechlovin9/rev3:default
 
+Flashing example for this keyboard:
+
+    make mechlovin/mechlovin9/rev3:default:flash
+
 See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
 
+## Bootloader
+
 **Reset Key:** To put the mechlovin9 PCB into bootloader, hold ESC and plug cable.