diff --git a/pages/CSE347/CSE347_L5.md b/pages/CSE347/CSE347_L5.md
index 7522f95..9878c81 100644
--- a/pages/CSE347/CSE347_L5.md
+++ b/pages/CSE347/CSE347_L5.md
@@ -334,7 +334,7 @@ Again, assume, for the sake of contradiction, that $S$ is not an independent set
 
 $\exists (u,v) \textup{such that } u\in S, v \in S$
 
-$u,v \notinC$
+$u,v \notin C$
 
 $C \textup{ is not a vertex cover}$