Update clients/date-to-timestamp-conversion.md

Co-authored-by: Nick Woolmer <[email protected]>

clients/date-to-timestamp-conversion.md

@@ -15,7 +15,7 @@ QuestDB has clients for Python, Go, Java, C, C++, Rust, Rust, C#/dotnet, and Jav
 can directly use the `Timestamp` type when using the client, while others need to convert the timestamp into an
 integer representing the epoch time in microseconds. On each of the snippets, we add the extra conversion if needed.
 
-Please refer to the ingestion overview to learn more about the details of the client library for your language.
+Please refer to the [ingestion overview](https://questdb.io/docs/ingestion-overview/) to learn more about the details of the client library for your language.
 
 ## Date to Timestamp in Python