diff --git a/nac3core/src/codegen/model/core.rs b/nac3core/src/codegen/model/core.rs
index 8a556770..04ecbc5f 100644
--- a/nac3core/src/codegen/model/core.rs
+++ b/nac3core/src/codegen/model/core.rs
@@ -11,7 +11,7 @@ use crate::codegen::{CodeGenContext, CodeGenerator};
 pub struct ModelError(pub String);
 
 impl ModelError {
-    // Append a context message to the error.
+    /// Append a context message to the error.
     pub(super) fn under_context(mut self, context: &str) -> Self {
         self.0.push_str(" ... in ");
         self.0.push_str(context);