diff --git a/content/posts/search-engines-with-own-indexes.gmi b/content/posts/search-engines-with-own-indexes.gmi
index e984a9d..070b626 100644
--- a/content/posts/search-engines-with-own-indexes.gmi
+++ b/content/posts/search-engines-with-own-indexes.gmi
@@ -256,9 +256,9 @@ I’m unable to evaluate these engines properly since I don’t speak the necess
 
 * Baidu: Chinese. Very large index; it's a major engine alongside GBY. Offers webmaster tools for site submission.
 * Qihoo 360: Chinese. I’m not sure how independent this one is.
-* Toutiao: Chinese. Not sure how independent this one is either.
+* Toutiao: Chinese. Not sure how independent this one is either. Its index appears limited outside of its own content distribution platform.
 * Sogou: Chinese
-* Yisou: Chinese
+* Yisou: Chinese, by Yahoo. Appears defunct.
 * Naver: Korean. Allows submitting sitemaps and feeds. Discovered via some Searx metasearch instances.
 * Daum: Korean. Also unsure about its independence.
 * Seznam: Czech, seems relatively privacy-friendly. Discovered in the seirdy.one access logs. It allows site submission with webmaster tools and using IndexNow.
diff --git a/content/posts/search-engines-with-own-indexes.md b/content/posts/search-engines-with-own-indexes.md
index 9dd3473..82d3f78 100644
--- a/content/posts/search-engines-with-own-indexes.md
+++ b/content/posts/search-engines-with-own-indexes.md
@@ -287,11 +287,11 @@ I'm unable to evaluate these engines properly since I don't speak the necessary
 
 - Qihoo 360: Chinese. I'm not sure how independent this one is.
 
-- Toutiao: Chinese. Not sure how independent this one is either.
+- Toutiao: Chinese. Not sure how independent this one is either. Its index appears limited outside of its own content distribution platform.
 
 - Sogou: Chinese
 
-- Yisou: Chinese
+- Yisou: Chinese, by Yahoo. Appears defunct.
 
 - [Naver](https://search.naver.com): Korean. Allows submitting sitemaps and feeds. Discovered via some Searx metasearch instances.