fix: dev: [0km] typos and comments !minor

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>

bin/0km

@@ -16,6 +16,10 @@ desc='Manage 0k related installs'
 help=""
 
 
+##
+## Functions
+##
+
 is-port-open() {
     local host="$1" port="$2" timeout=5
     start="$SECONDS"
@@ -421,12 +425,10 @@ cmdline.spec::cmd:vps-setup:run() {
 }
 
 
-
 cmdline.spec.gnu vps-check
-
 cmdline.spec::cmd:vps-check:run() {
 
-    : :posarg: [VPS...]        'Target host to check'
+    : :posarg: [VPS...]        'Target host(s) to check'
 
 
     echo "" |
@@ -448,7 +450,7 @@ cmdline.spec::cmd:vps-update:run() {
 cmdline.spec.gnu vps-mux
 cmdline.spec::cmd:vps-mux:run() {
 
-    : :posarg: [VPS...]        'Target host to check'
+    : :posarg: [VPS...]        'Target host(s) to check'
 
     cat | vps_mux vps_bash "${VPS[@]}"
 }
@@ -457,7 +459,7 @@ cmdline.spec::cmd:vps-mux:run() {
 cmdline.spec.gnu vps-space
 cmdline.spec::cmd:vps-space:run() {
 
-    : :posarg: [VPS...]        'Target host to check'
+    : :posarg: [VPS...]        'Target host(s) to check'
 
     echo "df /srv -h | tail -n +2 | sed -r 's/ +/ /g' | cut -f 2-5 -d ' '" |
         vps_mux vps_bash "${VPS[@]}"