diff --git a/src/bext.rs b/src/bext.rs
index 5c0fdb1..df55de4 100644
--- a/src/bext.rs
+++ b/src/bext.rs
@@ -18,10 +18,6 @@ pub type Decibels = f32;
 /// - [EBU Tech R099](https://tech.ebu.ch/docs/r/r099.pdf) (October 2011) "‘Unique’ Source Identifier (USID) for use in the
 ///   <OriginatorReference> field of the Broadcast Wave Format"
 
-// Note for me later:
-// get env values: https://doc.rust-lang.org/std/macro.option_env.html
-// Cargo env values: https://doc.rust-lang.org/cargo/reference/environment-variables.html
-
 #[derive(Debug)]
 pub struct Bext {
     /// 256 ASCII character field with free text.