diff --git a/ChangeLog.d/p256-m.txt b/ChangeLog.d/p256-m.txt
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+Features
+   * Applications using ECC over secp256r1 through the PSA API can use a
+     new implementation with a much smaller footprint, but some minor
+     usage restrictions. See the documentation of the new configuration
+     option MBEDTLS_P256M_EXAMPLE_DRIVER_ENABLED for details.