fix index issue

Author: rustagir

source/index.txt

@@ -172,5 +172,5 @@ with MongoDB:
    Scala Driver <https://www.mongodb.com/docs/languages/scala/scala-driver/current/>
    Swift Driver </swift>
    TypeScript </typescript>
-   About Compatibility Tables <about-compatibility>
-   Other Document Database Compatibility <other-document-dbs>
+   About Compatibility Tables </about-compatibility>
+   Other Document Database Compatibility </other-document-dbs>