diff --git a/draft.tex b/draft.tex
index e972b6f..febfc81 100644
--- a/draft.tex
+++ b/draft.tex
@@ -385,6 +385,7 @@
 to reproduce the mass fits of~\cite{Aaij:2017vbb}.
 Despite the low \qsq asymmetric tail, the determination of $\Delta\WC_9$ and 
 $\Delta\WC_{10}$ remains unbiased.
+\textbf{TODO: Add comment on the S-wave contribution.}
 
 Another important test to probe the stability of the model consists in changing the 
 description of the non-local hadronic effects in the generation of the pseudo-experiments.