[rpc] Mark the RPC backend as experimental

diff --git a/src/blockchain/rpc.rs b/src/blockchain/rpc.rs
index c457af59495b34bf8ba9530e2f35c1b686a5b464..3d25e81805b0cf79133f358d2dd9463c586ab9bf 100644 (file)
--- a/src/blockchain/rpc.rs
+++ b/src/blockchain/rpc.rs
@@ -13,6 +13,8 @@
 //!
 //! Backend that gets blockchain data from Bitcoin Core RPC
 //!
+//! This is an **EXPERIMENTAL** feature, API and other major changes are expected.
+//!
 //! ## Example
 //!
 //! ```no_run