diff --git a/dfa.cpp b/dfa.cpp
index 5bab1e9..6418c6e 100644
--- a/dfa.cpp
+++ b/dfa.cpp
@@ -3,7 +3,7 @@
 */
 #include<bits/stdc++.h>
 using namespace std;
-
+//comm
 #define vi vector<int>
 #define si set<char>
 #define pb(v, x) v.push_back(x)