diff --git a/server.c b/server.c
index de68823f120aa2f5e280626692e3eb4ca1e3b1fa..9eb42e4c2be9804ce9e4de79c3007de83c22265a 100644
--- a/server.c
+++ b/server.c
@@ -269,10 +269,10 @@ static bool handle_http_request(int sockfd) {
                 return show_page(sockfd, GAMEOVER_PAGE);
             } else if (strstr(buff, "keyword=") != NULL) {
                 char* keyword = strstr(buff, "keyword=") + 8;
-                printf("keyword = %s", keyword);
+                // remove substring in input "&guess=Guess"
                 int keyword_len = strlen(keyword);
                 keyword[keyword_len - 12] = '\0';
-                printf("keyword = %s", keyword);
+                
                 if (p1_is_ready && p2_is_ready) {
                     if (keyword_check(sockfd, keyword)) {
                         // initial players setting