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/lastb.md

@@ -1,24 +1,24 @@
 # lastb
 
-> Show a listing of last logged in users.
+> List last logged in users.
 > More information: <https://manned.org/lastb>.
 
-- Show a list of all last logged in users:
+- List last logged in users:
 
 `sudo lastb`
 
-- Show a list of all last logged in users since a given time:
+- List all last logged in users since a given time:
 
 `sudo lastb --since {{YYYY-MM-DD}}`
 
-- Show a list of all last logged in users until a given time:
+- List all last logged in users until a given time:
 
 `sudo lastb --until {{YYYY-MM-DD}}`
 
-- Show a list of all logged in users at a specific time:
+- List all logged in users at a specific time:
 
 `sudo lastb --present {{hh:mm}}`
 
-- Show a list of all last logged in users and translate the IP into a hostname:
+- List all last logged in users and translate the IP into a hostname:
 
 `sudo lastb --dns`