docs: word the two answers without pronouns

wiki/technical-faq.md

@@ -169,16 +169,16 @@ Running `verify.py --emulator <core> --verbose` shows the emulator-level ground
 
 It reaches only as far as the profiles do. Files no profile states a value for are platform-only, and nothing can be said about their content. The footer of the platform report gives that ratio as `Ground truth: N/M files have emulator validation`.
 
-## Why do BIOS pictures and sounds show in my phone's gallery?
+## Why do BIOS pictures and sounds show in a phone's gallery?
 
 Android's media scanner indexes every image, sound and video in shared
 storage, and the RetroArch BIOS folder holds 3,842 of them (FBNeo samples,
 overlays, PPSSPP assets, sdlpal's videos). An empty file named `.nomedia` in
 the BIOS folder hides it and every folder below it. The installer writes one
 on Android and the RetroArch pack carries one: see [Android](installer.md#android).
-Copied by hand without either, create the empty file yourself.
+Copied by hand without either, the folder needs that empty file created by hand.
 
-## Why were files left out on my exFAT card?
+## Why were files left out on an exFAT card?
 
 FAT, exFAT and Windows refuse `< > : " | ? *` in a name, and RetroDECK's list
 names three files with a colon, like `zxs:48.rom`. The installer leaves those