diff --git a/ChangeLog b/ChangeLog
index 093a42bc1..1ba5f0e00 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,8 +7,8 @@ API Changes
      whose implementation should behave as a thread safe version of gmtime().
      This allows users to configure such an implementation at compile time when
      the target system cannot be deduced automatically. At this stage Mbed TLS
-     is only able to automtically select implementations for Windows and POSIX
-     C libraries.
+     is only able to automatically select implementations for Windows, POSIX
+     C libraries and IAR.
 
 Bugfix
    * Fixes an issue with MBEDTLS_CHACHAPOLY_C which would not compile if
diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index f4c8ecff9..cbf8f58aa 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -149,9 +149,9 @@
  * when called behaves similarly to the gmtime() function from the C standard,
  * but is thread safe. Mbed TLS will try to identify the underlying platform
  * and configure an appropriate underlying implementation (e.g. gmtime_r() for
- * POSIX and gmtime_s() for Windows). If this is not possible, then gmtime()
- * will be used. Refer to the documentation for mbedtls_platform_gmtime() for
- * more information.
+ * POSIX and gmtime_s() for Windows and IAR). If this is not possible, then
+ * gmtime() will be used. Refer to the documentation for
+ * mbedtls_platform_gmtime() for more information.
  *
  * \note It is possible to configure an implementation for
  * mbedtls_platform_gmtime() at compile-time by using the macro