diff --git a/src/rom.rs b/src/rom.rs
index 9adc54c9cf63bcc44b4d18529a82153f5c510b5d..8cffef5b02cceae4530469ebae7b7d0f66caa2be 100644
--- a/src/rom.rs
+++ b/src/rom.rs
@@ -182,6 +182,10 @@ impl Display for RamSize {
     }
 }
 
+/// Structure that defines the ROM and ROM contents
+/// of a Game Boy cartridge. Should correctly address
+/// the specifics of all the major MBCs (Memory Bank
+/// Controllers).
 #[cfg_attr(feature = "wasm", wasm_bindgen)]
 #[derive(Clone)]
 pub struct Cartridge {