docs:cdiwadkar16-patch-4-39 - minor

rephrased slightly

docs-en/14-reference/index.md

@@ -2,11 +2,11 @@
 title: Reference
 ---
 
-The reference guide is the detailed introduction to TDengine, various TDengine's connectors in different languages, and the tools that come with it.
+The reference guide is a detailed introduction to TDengine including various TDengine connectors in different languages, and the tools that come with TDengine.
 
 ```mdx-code-block
 import DocCardList from '@theme/DocCardList';
 import {useCurrentSidebarCategory} from '@docusaurus/theme-common';
 
 <DocCardList items={useCurrentSidebarCategory().items}/>
-```
\ No newline at end of file
+```