diff --git a/text/introduction/contribution.tex b/text/introduction/contribution.tex
index 507ac8f..61a1e58 100644
--- a/text/introduction/contribution.tex
+++ b/text/introduction/contribution.tex
@@ -1,2 +1,4 @@
 \section{Contribution}
 \label{sec:contr}
+
+\mk{WIP}