docs: Numerous spelling and grammer fixes in flight controller section (#26582)

docs/en/flight_controller/mro_control_zero_f7.md

@@ -1,6 +1,6 @@
 # mRo Control Zero F7 Flight Controller
 
-:::warning
+::: warning
 PX4 does not manufacture this (or any) autopilot.
 Contact the [manufacturer](https://store.mrobotics.io/) for hardware support or compliance issues.
 :::
@@ -56,20 +56,20 @@ This flight controller is [manufacturer supported](../flight_controller/autopilo
 - Power System:
   - 3x Ultra low noise LDO voltage regulator
 
-## Where to Buy
+## Where to Buy {#store}
 
 - [mRo Control Zero](https://store.mrobotics.io/mRo-Control-Zero-F7-p/mro-ctrl-zero-f7.htm)
 
 ## Building Firmware
 
-:::tip
+::: tip
 Most users will not need to build this firmware!
 It is pre-built and automatically installed by _QGroundControl_ when appropriate hardware is connected.
 :::
 
 To [build PX4](../dev_setup/building_px4.md) for this target:
 
-```
+```sh
 make mro_ctrl-zero-f7
 ```