fixes from review

docs/widgets/services/openwrt.md

@@ -13,12 +13,12 @@ widget:
   url: http://host.or.ip
   username: homepage
   password: pass
-  interfaceName: eth0
+  interfaceName: eth0 # optional
 ```
 
 ## Interface
 
-Adding an interfaceName (e.g eth0) will display information for that particular device, otherwise it will display general system info.
+Setting `interfaceName` (e.g. eth0) will display information for that particular device, otherwise the widget will display general system info.
 
 ## Authorization
 

public/locales/en/common.json

@@ -782,10 +782,9 @@
     },
     "openwrt": {
         "uptime": "Uptime",
-        "uptimeValue": "{{days}}d {{hours}}h {{minutes}}m {{seconds}}s",
-        "cpuLoad": "CPU Load Avg (5 mins)",
-        "up": "UP",
-        "down": "DOWN",
+        "cpuLoad": "CPU Load Avg (5m)",
+        "up": "Up",
+        "down": "Down",
         "bytesTx": "Transmitted",
         "bytesRx": "Received"
     },

src/widgets/openwrt/methods/system.jsx

@@ -22,12 +22,7 @@ export default function Component({ service }) {
     <Container service={service}>
       <Block
         label="openwrt.uptime"
-        value={t("openwrt.uptimeValue", {
-          days: Math.floor(uptime / 86400),
-          hours: Math.floor((uptime % 86400) / 3600),
-          minutes: Math.floor((uptime % 3600) / 60),
-          seconds: uptime % 60,
-        })}
+        value={t("common.uptime", { value: uptime })}
       />
       <Block label="openwrt.cpuLoad" value={cpuLoad} />
     </Container>