diff --git a/crates/engine/tree/src/tree/precompile_cache.rs b/crates/engine/tree/src/tree/precompile_cache.rs
index c88cb4bc720..753922f66b3 100644
--- a/crates/engine/tree/src/tree/precompile_cache.rs
+++ b/crates/engine/tree/src/tree/precompile_cache.rs
@@ -1,4 +1,4 @@
-//! Contains a precompile cache that is backed by a moka cache.
+//! Contains a precompile cache backed by `schnellru::LruMap` (LRU by length).
 
 use alloy_primitives::Bytes;
 use parking_lot::Mutex;