diff --git a/msp430-asm/src/main.rs b/msp430-asm/src/main.rs
index 2a6fefa..1f638c3 100644
--- a/msp430-asm/src/main.rs
+++ b/msp430-asm/src/main.rs
@@ -1,3 +1,5 @@
+// © 2023-2024 John Breaux
+//See LICENSE.md for license
 //! Simple frontend for the assembler
 #![feature(decl_macro)]
 use argp::parse_args_or_exit;
diff --git a/src/assembler.rs b/src/assembler.rs
index a6e342d..191ccf0 100644
--- a/src/assembler.rs
+++ b/src/assembler.rs
@@ -1,3 +1,5 @@
+// © 2023-2024 John Breaux
+//See LICENSE.md for license
 //! Assembles a binary using the given [AST](crate::parser::ast)
 
 use error::{AResult, ErrorKind::*};
diff --git a/src/lexer.rs b/src/lexer.rs
index a4c1290..5013e33 100644
--- a/src/lexer.rs
+++ b/src/lexer.rs
@@ -1,4 +1,5 @@
 // © 2023-2024 John Breaux
+//See LICENSE.md for license
 //! The [Lexer] turns a [sequence of characters](str) into a stream of
 //! [lexically-tagged tokens](token)
 
diff --git a/src/lexer/token.rs b/src/lexer/token.rs
index 119afb6..33a3ca0 100644
--- a/src/lexer/token.rs
+++ b/src/lexer/token.rs
@@ -1,4 +1,5 @@
 // © 2023-2024 John Breaux
+//See LICENSE.md for license
 //! A [Token] is a [semantically-tagged](TokenKind) [sequence of characters](str) and a [Span]
 //!
 //! [Tokens](Token) are a borrowed, and cannot outlive their source slice (lifetime `'t`)
diff --git a/src/lib.rs b/src/lib.rs
index 88338f5..a4afd9a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,5 @@
-// © 2023 John Breaux
+// © 2023-2024 John Breaux
+//See LICENSE.md for license
 //! A bare-bones toy assembler for the TI MSP430, for use in MicroCorruption
 //!
 //! This project aims to assemble any valid msp430 instructions, while including important quality
diff --git a/src/parser.rs b/src/parser.rs
index 32a0744..9f49ccf 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -1,4 +1,5 @@
 // © 2023-2024 John Breaux
+//See LICENSE.md for license
 //! Parses [`Tokens`](crate::lexer::token::Token) into an [abstract syntax tree](ast)
 pub mod ast;
 
diff --git a/src/parser/ast.rs b/src/parser/ast.rs
index 8337bb5..afd1fce 100644
--- a/src/parser/ast.rs
+++ b/src/parser/ast.rs
@@ -1,4 +1,5 @@
 // © 2023-2024 John Breaux
+//See LICENSE.md for license
 /// Represents MSP430 instructions,
 use crate::{
     lexer::token::{self, Reg, Token},
diff --git a/src/preprocessor.rs b/src/preprocessor.rs
index 9df3bfe..a340154 100644
--- a/src/preprocessor.rs
+++ b/src/preprocessor.rs
@@ -1,4 +1,6 @@
 // © 2023-2024 John Breaux
+//See LICENSE.md for license
+//! Preprocesses a token stream by removing and replacing tokens according to `.define` directives
 
 use crate::{
     lexer::{
diff --git a/src/span.rs b/src/span.rs
index 4ca993b..379f691 100644
--- a/src/span.rs
+++ b/src/span.rs
@@ -1,3 +1,5 @@
+// © 2023-2024 John Breaux
+//See LICENSE.md for license
 //! A [Span] is a [Range] that does not implement [Iterator]. It is a [Copy] type.
 use std::{
     fmt::{Debug, Display},