diff --git a/README.md b/README.md
index 2281278..b2476f1 100644
--- a/README.md
+++ b/README.md
@@ -335,6 +335,12 @@ product = Product.find 10
 product.reindex
 ```
 
+Remove old indices
+
+```ruby
+Product.clean_indices
+```
+
 Use a different index name
 
 ```ruby
--
libgit2 0.21.0