diff --git a/text/problem/thething/problem.tex b/text/problem/thething/problem.tex
index 3cb7ffb..1ab4717 100644
--- a/text/problem/thething/problem.tex
+++ b/text/problem/thething/problem.tex
@@ -129,10 +129,10 @@ For example, the time series ($p_1$, \dots, $p_8$) with {\thethings} set the $\{
 
 We proceed to propose \emph{{\thething} privacy}, a configurable variation of differential privacy for time series (Definition~\ref{def:thething-prv}). 
 
-%\begin{corollary}
-%  \label{cor:thething-nb}
-%  Two {\thething} neighboring series of events are event neighboring as well.
-%\end{corollary}
+\begin{corollary}
+ \label{cor:thething-nb}
+ Two {\thething} neighboring series of events are event neighboring as well.
+\end{corollary}
 %\kat{what is event neighboring?}
 
 %\kat{Up to now M was a mechanism, now it is a set of mechanisms?}