--- a/zip.c	

+++ a/zip.c	

@@ -1028,7 +1028,7 @@ local void help_extended()

   for (i = 0; i < sizeof(text)/sizeof(char *); i++)

   {

-    printf(text[i]);

+    printf("%s", text[i]);

     putchar('\n');

   }

 #ifdef DOS

@@ -1225,7 +1225,7 @@ local void version_info()

             CR_MAJORVER, CR_MINORVER, CR_BETA_VER, CR_VERSION_DATE);

   for (i = 0; i < sizeof(cryptnote)/sizeof(char *); i++)

   {

-    printf(cryptnote[i]);

+    printf("%s", cryptnote[i]);

     putchar('\n');

   }

   ++i;  /* crypt support means there IS at least one compilation option */