[hackers] [libgrapheme] Clarify comments in encoder-testcase-struct || Laslo Hunhold

[git]

commit afe044b0750f681ec56b7c52eb74ada88c3543cc
Author:     Laslo Hunhold <d...@frign.de>
AuthorDate: Sun May 31 22:54:35 2020 +0200
Commit:     Laslo Hunhold <d...@frign.de>
CommitDate: Sun May 31 22:54:35 2020 +0200

    Clarify comments in encoder-testcase-struct
    
    Signed-off-by: Laslo Hunhold <d...@frign.de>

diff --git a/src/test_body.c b/src/test_body.c
index f7c0c0b..b7cd6ff 100644
--- a/src/test_body.c
+++ b/src/test_body.c
@@ -52,8 +52,8 @@ static const struct {
 };
 
 static const struct {
-       uint8_t *arr;     /* byte array */
-       size_t   len;     /* number of bytes in array */
+       uint8_t *arr;     /* UTF-8 byte sequence */
+       size_t   len;     /* length of UTF-8 byte sequence */
        size_t   exp_len; /* expected length returned */
        uint32_t exp_cp;  /* expected code point returned */
 } dec_test[] = {