diff --git a/afl/src/mutators/mod.rs b/afl/src/mutators/mod.rs
index c8f7562e3b..d7de0fb722 100644
--- a/afl/src/mutators/mod.rs
+++ b/afl/src/mutators/mod.rs
@@ -8,6 +8,9 @@ use crate::inputs::Input;
 use crate::utils::Rand;
 use crate::AflError;
 
+// TODO mutator stats method that produces something that can be sent with the NewTestcase event
+// We can use it to report which mutations generated the testcase in the broker logs
+
 /// A mutator takes input, and mutates it.
 /// Simple as that.
 pub trait Mutator<C, I, R>