diff --git a/src/md5sum.c b/src/md5sum.c
index 8e21609..a857d62 100644
--- a/src/md5sum.c
+++ b/src/md5sum.c
@@ -265,6 +265,9 @@ Print or check %s (%d-bit) checksums.\n\
       else
         fputs (_("\
   -t, --text           read in text mode (default)\n\
+"), stdout);
+  fputs (_("\
+  Note: There is no difference between binary and text mode option on GNU system.\n\
 "), stdout);
       fputs (_("\
   -z, --zero           end each output line with NUL, not newline,\n\