pacman-*: improve header descriptions

pages/linux/pacman-files.md

@@ -1,6 +1,6 @@
 # pacman --files
 
-> Arch Linux package manager utility.
+> Query the local files database.
 > See also: `pacman`, `pkgfile`.
 > More information: <https://manned.org/pacman.8>.
 
@@ -20,7 +20,7 @@
 
 `pacman -Fq {{filename}}`
 
 - [l]ist the [F]iles owned by a specific package:
 
 `pacman -Fl {{package}}`
 

pages/linux/pacman-query.md

@@ -1,10 +1,10 @@
 # pacman --query
 
-> Arch Linux package manager utility.
+> Query the local package database.
 > See also: `pacman`.
 > More information: <https://manned.org/pacman.8>.
 
 - [Q]uery the local package database and list installed packages and versions:
 
 `pacman -Q`
 
@@ -16,11 +16,11 @@
 
 `pacman -Qo {{filename}}`
 
 - Display information about an [i]nstalled package:
 
 `pacman -Qi {{package}}`
 
 - Display the [l]ist of files owned by a specific package:
 
 `pacman -Ql {{package}}`
 

pages/linux/pacman-remove.md

@@ -1,6 +1,6 @@
 # pacman --remove
 
-> Arch Linux package manager utility.
+> Remove packages from the system.
 > See also: `pacman`.
 > More information: <https://manned.org/pacman.8>.
 
@@ -8,7 +8,7 @@
 
 `sudo pacman -Rs {{package}}`
 
 - [R]emove a package and its dependencies. Also do [n]ot save backups of configuration files:
 
 `sudo pacman -Rsn {{package}}`
 

pages/linux/pacman-sync.md

@@ -1,6 +1,6 @@
 # pacman --sync
 
-> Arch Linux package manager utility.
+> Synchronize packages from remote repositories.
 > See also: `pacman`.
 > More information: <https://manned.org/pacman.8>.
 
@@ -16,7 +16,7 @@
 
 `sudo pacman -Syu --noconfirm {{package}}`
 
 - [s]earch the package database for a `regex` or keyword:
 
 `pacman -Ss "{{search_pattern}}"`
 

pages/linux/pacman-upgrade.md

@@ -1,6 +1,6 @@
 # pacman --upgrade
 
-> Arch Linux package manager utility.
+> Install packages manually from archive files.
 > See also: `pacman`.
 > More information: <https://manned.org/pacman.8>.