Updated readme [skip ci]

ankane · ankane · commit a224a35e8fcd · 2025-11-12T22:41:36.000-08:00
diff --git a/README.md b/README.md
@@ -53,6 +53,8 @@ Search
 distances, ids = index.search(objects, 3)
 ```
 
+> Use `index.freeze` to release the GVL for searches
+
 Save an index
 
 ```ruby
