diff --git a/text/problem/thething/solution.tex b/text/problem/thething/solution.tex
index c9142e0..5757962 100644
--- a/text/problem/thething/solution.tex
+++ b/text/problem/thething/solution.tex
@@ -43,7 +43,7 @@ Next, we propose an adaptive privacy scheme (Figure~\ref{fig:lmdk-adaptive}) tha
   \centering
   \includegraphics[width=.75\linewidth]{problem/lmdk-adaptive}
   \caption{Concept of \texttt{Adaptive} {\thething} privacy.}
-  \label{fig:lmdk-adaprive}
+  \label{fig:lmdk-adaptive}
 \end{figure}
 
 Initially, its budget management component reserves uniformly the available privacy budget $\varepsilon$ for each future release $\mathbf{o}$.