diff --git a/code/services-satellite/explorer-service/readme.md b/code/services-satellite/explorer-service/readme.md
index d7505197..cf258eb8 100644
--- a/code/services-satellite/explorer-service/readme.md
+++ b/code/services-satellite/explorer-service/readme.md
@@ -1,10 +1,11 @@
 # Explorer Service
 
-User interface for exploring website similarity. 
+User interface for exploring website similarity by reinterpreting the incident edges in the adjacency matrix as sparse high dimensional vector, and useing cosine similarity to find the nearest neighbors nodes within this feature-space.
 
 Externally the service is available at [https://explore2.marginalia.nu/](https://explore2.marginalia.nu).
 
 # See Also
 
 * [features-search/screenshots](../../features-search/screenshots)
-* [features-search/random-websites](../../features-search/random-websites)
\ No newline at end of file
+* [features-search/random-websites](../../features-search/random-websites)
+* [tools/website-adjacencies-calculator](../../tools/website-adjacencies-calculator)