doc: fix compilation error

docs/en/15-programming/01-connect/index.md

 ---
 sidebar_label: Connect
 title: Connect to TDengine Cloud Service
-description: Quick start of using TDengine connectors to conenct
+description: Quick start of using TDengine connectors to connect to TDengine cloud service
 ---
 
 This section briefly describes how to connect to TDengine cloud service using the connectors provided by TDengine so that programmers can get started quickly.

docs/en/15-programming/03-connector/index.md

 ---
 sidebar_label: Connector
 title: Connector Reference
-description: Reference guide for connectors
+description: 'Reference guide for connectors'
+---
 
 This section is a detailed reference guide of the connectors provided by TDengine.