diff --git a/README.md b/README.md
index 8793ad0d..b8b57ccb 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,7 @@ import (
 )
 
 func main() {
-	cache, err := ristretto.NewCache(&ristretto.Config{
+	cache, err := ristretto.NewCache(&ristretto.Config[string,int]{
 		NumCounters: 1e7,     // number of keys to track frequency of (10M).
 		MaxCost:     1 << 30, // maximum cost of cache (1GB).
 		BufferItems: 64,      // number of keys per Get buffer.