docs: typo

docs/en/08-third-party/03-telegraf.md

@@ -29,7 +29,7 @@ In the Telegraf configuration file (default location `/etc/telegraf/telegraf.con
 You are expected to replace `<url>` and `<token>` with real TDengine cloud URL and token. To obtain the real values, please log in [TDengine Cloud](https://cloud.tdengine.com).
 <!-- exclude-end -->
 
-In above configuration example, all data will be written to database `telegraf`, but you can change it to any database you prefer. The database will be created automatically if it dose not exists in advance.
+In above configuration example, all data will be written to database `telegraf`, but you can change it to any database you prefer. The database will be created automatically if it dose not exist in advance.
 
 
 ## Verification plugin