diff --git a/src/lib.rs b/src/lib.rs
index a1c3331..229741d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -39,8 +39,11 @@
 //!
 //! ```rust
 //! use spacepackets::SpHeader;
-//! let sp_header = SpHeader::tc_unseg(0x42, 12, 0).expect("Error creating SP header");
+//! let sp_header = SpHeader::tc_unseg(0x42, 12, 0).expect("Error creating CCSDS TC header");
 //! println!("{:?}", sp_header);
+//! let mut ccsds_buf: [u8; 32] = [0; 32];
+//! sp_header.write_to_be_bytes(&mut ccsds_buf).expect("Writing CCSDS TC header failed");
+//! println!("{:x?}", &ccsds_buf[0..6]);
 //! ```
 #![no_std]
 #![cfg_attr(doc_cfg, feature(doc_cfg))]