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/common/buzzphrase.md

@@ -7,10 +7,10 @@
 
 `buzzphrase`
 
-- Output a phrase formatted as [i]mperative verb + past tense [v]erb + [a]djective + plural [N]oun:
+- Print a phrase formatted as [i]mperative verb + past tense [v]erb + [a]djective + plural [N]oun:
 
 `buzzphrase {{'{i} {v} {a} {N}'}}`
 
-- Output 4 phrases formatted as present participle [V]erb + [a]djective + singular [n]oun + [f]inal:
+- Print `k` phrases formatted as present participle [V]erb + [a]djective + singular [n]oun + [f]inal:
 
-`buzzphrase {{4 '{V} {a} {n} {f}'}}`
+`buzzphrase {{k}} {{'{V} {a} {n} {f}'}}`