diff --git a/README.md b/README.md
index 7ad6d38..f653f93 100644
--- a/README.md
+++ b/README.md
@@ -593,6 +593,8 @@ The index was likely created with too little data for the number of lists. Drop
 DROP INDEX index_name;
 ```
 
+Results can also be limited by the number of probes (`ivfflat.probes`).
+
 ## Reference
 
 ### Vector Type