Merge pull request #4191 from raspberrypi/katshann-raspberry-patch-1

Update intro.adoc

Author: katshann-raspberry

documentation/asciidoc/computers/keyboard-computers/intro.adoc

@@ -173,7 +173,7 @@ For more information, see <<advanced, Advanced software settings>>.
 [[replace-m2]]
 === Replace your M.2 SSD
 
-You can expand storage capacity by replacing the M.2 SSD in your Raspberry Pi 500+. The Raspberry Pi 500+ supports SSDs that use the M.2 M key edge connector in the form factors 2230, 2242, 2260, and 2280.
+You can expand storage capacity by replacing the M.2 SSD in your Raspberry Pi 500+. You can also use this slot to install a different PCIe peripheral. The Raspberry Pi 500+ supports devices that use the M.2 M key edge connector in the form factors 2230, 2242, 2260, and 2280.
 
 To complete this procedure, you need a cross head screwdriver, a flat head screwdriver, and the provided plastic opening tool (spudger).
 
@@ -731,4 +731,4 @@ $ rpi-keyboard-config game
 
 The game uses your keyboard backlighting as the "screen", and the lights flash in patterns to represent the bird and pipes. Your goal is to keep the bird from hitting pipes, similar to the original Flappy Bird. Press the space bar to fly over pipes (lit-up LEDs). Your "bird" continues to drop until you press the space bar. Your score is determined by the number of pipes you've successfully passed, which is indicated by the number of purple LEDs along the top of the keyboard.
 
-To exit the game, press *Q* on your keyboard.
+To exit the game, press *Q* on your keyboard.