Improve wording in ChangeLog
diff --git a/ChangeLog b/ChangeLog
index ed0f1d8..dd9edb7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -22,9 +22,9 @@
Changes
* Change the shebang line in Perl scripts to look up perl in the PATH.
Contributed by fbrosson.
- * Provide Mbed TLS wrapper for vsnprintf used in debug.c. Based on
- contributions by Joris Aerts in #761 and Nathaniel Wesley Filardo in
- #1381.
+ * Provide an abstraction of vsnprintf to allow alternative implementations
+ for platforms that don't provide it. Based on contributions by Joris Aerts
+ and Nathaniel Wesley Filardo.
= mbed TLS 2.11.0 branch released 2018-06-18