Changelog: make some long entries about TLS 1.3 more to the point

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/ChangeLog.d/mbedtls_ssl_tls13_client.txt b/ChangeLog.d/mbedtls_ssl_tls13_client.txt
index 855945b..57a26e1 100644
--- a/ChangeLog.d/mbedtls_ssl_tls13_client.txt
+++ b/ChangeLog.d/mbedtls_ssl_tls13_client.txt
@@ -1,4 +1,2 @@
 Features
-   * Add ALPN support in tls13 client. Client is able to write ALPN extension
-     in client hello, and able to parse the response from server encrypted
-     extension.
+   * Add ALPN support in TLS 1.3 clients.
diff --git a/ChangeLog.d/tls13-fix-finished-fetch.txt b/ChangeLog.d/tls13-fix-finished-fetch.txt
index 28c30f9..9a8acb3 100644
--- a/ChangeLog.d/tls13-fix-finished-fetch.txt
+++ b/ChangeLog.d/tls13-fix-finished-fetch.txt
@@ -1,5 +1,3 @@
 Bugfix
-   * Fix handshake failure when the peer Finished message has not been received
-     yet when we first try to fetch it. The fetching is moved before the
-     preprocessing computations to avoid doing them multiple times, which was
-     causing the handshake to fail.
+   * Fix a TLS 1.3 handshake failure when the peer Finished message has not
+     been received yet when we first try to fetch it.