docs: Fix a typo in pkgctl-auth.1

Component: pkgctl auth

doc/man/pkgctl-auth.1.asciidoc

@@ -3,7 +3,7 @@ pkgctl-auth(1)
 
 Name
 ----
-pkgctl-auth - Authenticate with serivces like GitLab.
+pkgctl-auth - Authenticate with services like GitLab.
 
 Synopsis
 --------

src/lib/archroot.sh

@@ -15,8 +15,8 @@ check_root() {
 	local orig_argv=("$@")
 
 	(( EUID == 0 )) && return
-	if type -P run0 && type -P pkexec >/dev/null; then
-		exec run0 -- "${orig_argv[@]}"
+	if type -P sudo >/dev/null; then
+		exec sudo --preserve-env="${keepenv}" -- "${orig_argv[@]}"
 	else
 		exec su root -c "$(printf ' %q' "${orig_argv[@]}")"
 	fi