diff --git a/ws-if97.c b/ws-if97.c
index 600e5da..4e68faf 100644
--- a/ws-if97.c
+++ b/ws-if97.c
@@ -11,8 +11,8 @@ int welcome(void)
     time(&rtime);
     timeinfo=localtime(&rtime);
 	printf("/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */\n");
-	printf("/*               Water and Steam Properties Calculation.              */\n");
-	printf("/*                    VERSION 1.2(beta) LICENSE: MIT                  */\n");
+	printf("/*               Water and Steam Properties Calculation               */\n");
+	printf("/*                   VERSION 1.2(beta) LICENSE: MIT                   */\n");
 	printf("/* WANG ZHENRONG (Edison WANG), reserves all rights of this program.  */\n");
 	printf("/* Contacts: zhenrong_w@163.com(email).  K495458966(wechat).          */\n");
 	printf("/* Main function: calculating properties by given two values:         */\n");