diff --git a/src/lib.rs b/src/lib.rs
index 13d5fdf..d8c02dc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,10 @@
+/// CLI arguments.
 pub mod args;
+/// Checksum functions for EDID.
 pub mod checksum;
+/// Interact with an i2c device.
 pub mod i2c;
+/// Abstract io for EDID blocks.
 pub mod io;
+/// Read from stdin and write to stdout.
 pub mod std;