fix: typo in config example

uptime.config.ts

@@ -15,10 +15,9 @@ const config = {
   },
   callback: async (statusChangeMsg: string) => {
     // Write any typescript here
-    // Example `statusChangeMsg` string: 
+    // Example `statusChangeMsg` string:
     // "❌My Blog went down at 2023/11/18 14:08:59 with error Timeout after 10000ms"
     // "✔️My Blog came back up at 2023/11/18 14:10:48 after 2 minutes of downtime"
-    
     // Example:
     // await fetch('https://api.example.com/callback?msg=' + statusChangeMsg)
   },
@@ -34,19 +33,19 @@ const config = {
       method: 'POST',
       // `target` is a valid URL
       target: 'https://example.com',
-      // [OPTIONAL] `expectedCode` is an array of acceptable HTTP response codes, if not specified, default to 2xx
-      expectedCode: [200],
+      // [OPTIONAL] `expectedCodes` is an array of acceptable HTTP response codes, if not specified, default to 2xx
+      expectedCodes: [200],
       // [OPTIONAL] `timeout` in millisecond, if not specified, default to 10000
       timeout: 10000,
       // [OPTIONAL] headers to be sent
       headers: {
         'User-Agent': 'Uptimeflare',
-        'Authorization': 'Bearer YOUR_TOKEN_HERE'
+        Authorization: 'Bearer YOUR_TOKEN_HERE',
       },
       // [OPTIONAL] body to be sent
-      body: "Hello, world!",
+      body: 'Hello, world!',
       // [OPTIONAL] if specified, the response must contains the keyword to be considered as operational.
-      responseKeyword: "success"
+      responseKeyword: 'success',
     },
     // Example TCP Monitor
     {
@@ -56,9 +55,9 @@ const config = {
       method: 'TCP_PING',
       // `target` should be `host:port` for tcp monitors
       target: '1.2.3.4:22',
-      timeout: 5000
-    }
-  ]
+      timeout: 5000,
+    },
+  ],
 }
 
 // Don't forget this, otherwise compilation fails.