diff --git a/body.tex b/body.tex
index f06d440..1d054bc 100644
--- a/body.tex
+++ b/body.tex
@@ -16,7 +16,7 @@ \section{Verification and Validation Datasets}
 
 \section{Tooling  and Framework} 
 
-Reference some of the  tooling used  for QA  from Square \cite{pstm-023} and how this is used to do QA, e.g SQuaSH, lsst.verify. 
+Reference some of the  tooling used  for QA  from Square \cite{pstn-023} and how this is used to do QA, e.g SQuaSH, lsst.verify. 
 
 \subsection{ap\_verify} 
 [Meredith Rawls]