Update README.md

README.md

@@ -18,6 +18,7 @@ Or just visit these URLs (**Read**) https://r.jina.ai/https://github.com/jina-ai
 
 ## Updates
 
+- **2024-07-15**: To restrict the results of `s.jina.ai` to certain domain/website, you can set e.g. `-H site: jina.ai` in the header, which enables in-site search. For more options, [try our updated live-demo](https://jina.ai/reader/#apiform).
 - **2024-07-01**: We have resolved a DDoS attack and other traffic abusing since June 27th. We also found a bug introduced on June 28th which may cause higher latency for some websites. The attack and the bug have been solved; if you have experienced high latency of r.jina.ai between June 27th-30th, it should back to normal now.
 - **2024-05-30**: Reader can now read abitrary PDF from any URL! Check out [this PDF result from NASA.gov](https://r.jina.ai/https://www.nasa.gov/wp-content/uploads/2023/01/55583main_vision_space_exploration2.pdf) vs [the original](https://www.nasa.gov/wp-content/uploads/2023/01/55583main_vision_space_exploration2.pdf).
 - **2024-05-15**: We introduced a new endpoint `s.jina.ai` that searches on the web and return top-5 results, each in a LLM-friendly format. [Read more about this new feature here](https://jina.ai/news/jina-reader-for-search-grounding-to-improve-factuality-of-llms).