diff --git a/RPC_COMMANDS.md b/RPC_COMMANDS.md
index 3f23917..480d70e 100644
--- a/RPC_COMMANDS.md
+++ b/RPC_COMMANDS.md
@@ -2,7 +2,7 @@
 
 HeroDB provides a JSON-RPC 2.0 interface for database management operations. The RPC server runs on a separate port (default 8080) and can be enabled with the `--enable-rpc` flag.
 
-All RPC methods are prefixed with the namespace `herodb`.
+All RPC methods are prefixed with the namespace `herodb`. With the exception fo the `rpc.discover` call (using the `rpc` namespace), which returns the OpenRPC spec.
 
 ## Available Commands