diff --git a/prl/references.bib b/prl/references.bib
index b2ef0ea..bf69a01 100644
--- a/prl/references.bib
+++ b/prl/references.bib
@@ -1,4 +1,4 @@
-@misc{suppl,
+@misc{appendix,
 	  title = "{See Supplemental Material at [URL will be inserted by publisher]
 	  			for sensitivity studies on the determination of the Wilson coefficients 
 	  			$\mathcal{C}_9^{\prime\,(\mu)}$ and $\mathcal{C}{10}^{\prime\,(\mu)}$}"