diff --git a/src/protocol/ast.rs b/src/protocol/ast.rs
index ec20aca8f6f50894e1be4b80bd4fbf0aaeb059c8..8bd519561abcbe43e9ae72b072cb647cf56d877b 100644
--- a/src/protocol/ast.rs
+++ b/src/protocol/ast.rs
@@ -1021,6 +1021,8 @@ impl SyntaxElement for Variable {
     }
 }
 
+/// TODO: Remove distinction between parameter/local and add an enum to indicate
+///     the distinction between the two
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct Parameter {
     pub this: ParameterId,