Reorder README

README.md

@@ -4,6 +4,13 @@ Apollo is the on-board debugger and programmer on [Cynthion](https://greatscottg
 
 Apollo consists of two main parts: firmware for the on-board debug microcontroller and Python-based software for the host computer.
 
+## Installing Host Software
+
+To install the apollo-fpga Python module and the `apollo` command-line tool or to upgrade them to the latest version run:
+```
+pip install --upgrade apollo-fpga
+```
+
 ## Building and Installing Firmware
 
 To upgrade Apollo firmware on a Cynthion it is typically not necessary to compile the firmware yourself. Instead follow [Upgrading Cynthion Device Firmware](https://cynthion.readthedocs.io/en/latest/getting_started.html#upgrading-cynthion-device-firmware).
@@ -25,10 +32,3 @@ $ make APOLLO_BOARD=cynthion BOARD_REVISION_MAJOR=0 BOARD_REVISION_MINOR=3 get-d
 ```
 
 Once installation is complete, LED A should activate, indicating that Apollo is running.
-
-## Installing Host Software
-
-To install the apollo-fpga Python module and the `apollo` command-line tool or to upgrade them to the latest version run:
-```
-pip install --upgrade apollo-fpga
-```