diff --git a/ChangeLog b/ChangeLog
index f3c13a2ae0..bc1d32e4d1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3016,8 +3016,6 @@ Changes
    * Clarify the documentation of mbedtls_ssl_setup.
    * Use (void) when defining functions with no parameters. Contributed by
      Joris Aerts. #678
-   * Update Win32 APIs used to remove those not permitted by the Windows Store.
-     Fix provided by Kevin Kane, Microsoft. #635
 
 = mbed TLS 2.7.0 branch released 2018-02-03
 
diff --git a/ChangeLog.d/updated_windows_apis.txt b/ChangeLog.d/updated_windows_apis.txt
new file mode 100644
index 0000000000..8df22978ef
--- /dev/null
+++ b/ChangeLog.d/updated_windows_apis.txt
@@ -0,0 +1,5 @@
+API changes
+   * Update Windows APIs to use BCryptGenRandom and wcslen and
+   ensure that conversions between size_t, ULONG, and int are
+   always done safely. Original contribution by Kevin Kane #635,
+   #730 followed by #Simon Butcher #1453.