diff --git a/ChangeLog.d/timing.txt b/ChangeLog.d/timing.txt
index 96f4feb0e4..b3943cdcf2 100644
--- a/ChangeLog.d/timing.txt
+++ b/ChangeLog.d/timing.txt
@@ -10,4 +10,4 @@ API changes
 Bugfix
    * mbedtls_timing_get_delay() now correctly treats a timer as expired
      after more than 2^32 ms (about 49 days) on platforms where long is
-     a 32-bit type.
+     a 32-bit type. Fixes #10613.