diff --git a/assignment_2.c b/assignment_2.c
index 65cf15d7c5ce1189433cd13ab20939c164480262..52a0ba499ebe9d4640099db2312823166d46699c 100644
--- a/assignment_2.c
+++ b/assignment_2.c
@@ -103,7 +103,7 @@ int cmp_cn(X509 *cert, char *url){
     X509_NAME_get_text_by_NID(cert_issuer, NID_commonName, common_name, 256);
 
     /**
-     * compare from the back of dns_name
+     * compare only the end part of dns_name
      *        *.test.com
      *      www.test.com 
      *        |---------|