pages*: improve list placeholders and wording of descriptions (#12111)

* pages*: improve wording and list placeholders

* clamav: fix verb tenses

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* buzzphrase: use k instead of n for number of phrases

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* adguardhome: use non-default instead of different

* adguardhome: use configuration instead of config

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* goimports, module: fix list placeholders

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

* pages*: leave stems and extensions in the same placeholders

* pages*: fix list placeholders

* pages*: fix list placeholders

* pages*: apply suggestions from code review

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

* qpdf: enclose n with backticks

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

---------

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

pages/linux/auracle.md

@@ -7,13 +7,13 @@
 
 `auracle search '{{regular_expression}}'`
 
-- Display package information for a space-separated list of AUR packages:
+- Display information about one or more AUR packages:
 
-`auracle info {{package1}} {{package2}}`
+`auracle info {{package1 package2 ...}}`
 
-- Display the `PKGBUILD` file (build information) for a space-separated list of AUR packages:
+- Display the `PKGBUILD` file (build information) of one or more AUR packages:
 
-`auracle show {{package1}} {{package2}}`
+`auracle show {{package1 package2 ...}}`
 
 - Display updates for installed AUR packages: