diff --git a/src/lib.rs b/src/lib.rs
index 5bbcb68..ea056ce 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -175,9 +175,11 @@
 //! use flute::sender::Config;
 //! use flute::sender::PriorityQueue;
 //! use flute::core::UDPEndpoint;
+//! use flute::sender::ObjectDesc;
+//! use flute::sender::Cenc;
 //!
 //! // Create a default configuration
-//! let mut config = Default::default();
+//! let mut config: flute::sender::Config = Default::default();
 //!
 //! // Configure the HIGHEST priority queue with a capacity of 3 simultaneous file transfer
 //! config.set_priority_queue(PriorityQueue::HIGHEST, PriorityQueue::new(3));