docs: minor changes

source/app/metrics/metadata.mjs

@@ -210,7 +210,7 @@ metadata.plugin = async function({__plugins, __templates, name, logger}) {
           key,
           {
             comment:comments[key] ?? `# ${value.description}`,
-            descriptor:yaml.dump({[key]:Object.fromEntries(Object.entries(value).filter(([key]) => ["description", "default", "required"].includes(key)).map(([k, v]) => k === "description" ? [k, v.split("\n").at(0)] : [k, v]))}, {quotingType:'"', noCompatMode:true}),
+            descriptor:yaml.dump({[key]:Object.fromEntries(Object.entries(value).filter(([key]) => ["description", "default", "required"].includes(key)).map(([k, v]) => k === "description" ? [k, v.split("\n")[0]] : [k, v]))}, {quotingType:'"', noCompatMode:true}),
           },
         ]),
       )