Add minor cosmetic changes to record size limit changelog and comments

Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 2e621be..b0cdd5d 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -2704,8 +2704,7 @@
 
 #if defined(MBEDTLS_SSL_RECORD_SIZE_LIMIT)
 #define MBEDTLS_SSL_RECORD_SIZE_LIMIT_EXTENSION_DATA_LENGTH (2)
-/* This value is defined by RFC 8449 */
-#define MBEDTLS_SSL_RECORD_SIZE_LIMIT_MIN (64)
+#define MBEDTLS_SSL_RECORD_SIZE_LIMIT_MIN (64)      /* As defined in RFC 8449 */
 
 MBEDTLS_CHECK_RETURN_CRITICAL
 int mbedtls_ssl_tls13_parse_record_size_limit_ext(mbedtls_ssl_context *ssl,