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/libreoffice.md

@@ -3,17 +3,17 @@
 > CLI for the powerful and free office suite LibreOffice.
 > More information: <https://www.libreoffice.org/>.
 
-- Open a space-separated list of files in read-only mode:
+- Open one or more files in read-only mode:
 
-`libreoffice --view {{path/to/file1}} {{path/to/file2}}`
+`libreoffice --view {{path/to/file1 path/to/file2 ...}}`
 
-- Display the content of specific files:
+- Display the content of one or more files:
 
-`libreoffice --cat {{path/to/file1}} {{path/to/file2}}`
+`libreoffice --cat {{path/to/file1 path/to/file2 ...}}`
 
-- Print files to a specific printer:
+- Print files using a specific printer:
 
-`libreoffice --pt {{printer_name}} {{path/to/file1}} {{path/to/file2}}`
+`libreoffice --pt {{printer_name}} {{path/to/file1 path/to/file2 ...}}`
 
 - Convert all `.doc` files in current directory to PDF: