diff --git a/src/blockchain/compact_filters/mod.rs b/src/blockchain/compact_filters/mod.rs
index b7ee67e1..89c2f4d9 100644
--- a/src/blockchain/compact_filters/mod.rs
+++ b/src/blockchain/compact_filters/mod.rs
@@ -37,6 +37,8 @@
 //! connecting to a single peer at a time, optionally by opening multiple connections if it's
 //! desirable to use multiple threads at once to sync in parallel.
 //!
+//! This is an **EXPERIMENTAL** feature, API and other major changes are expected.
+//!
 //! ## Example
 //!
 //! ```no_run
diff --git a/src/descriptor/policy.rs b/src/descriptor/policy.rs
index d14d2da4..21d93b6c 100644
--- a/src/descriptor/policy.rs
+++ b/src/descriptor/policy.rs
@@ -27,6 +27,8 @@
 //! This module implements the logic to extract and represent the spending policies of a descriptor
 //! in a more human-readable format.
 //!
+//! This is an **EXPERIMENTAL** feature, API and other major changes are expected.
+//!
 //! ## Example
 //!
 //! ```