diff --git a/docs/source/release/v4.3.0/diffraction.rst b/docs/source/release/v4.3.0/diffraction.rst
index ab8a9a243d07c6185896359e13f096cca42fbd5d..ce5cd543f2728a2b3e2eb5060b166211d74a9182 100644
--- a/docs/source/release/v4.3.0/diffraction.rst
+++ b/docs/source/release/v4.3.0/diffraction.rst
@@ -37,6 +37,7 @@ Single Crystal Diffraction
 - :ref:`PredictFractionalPeaks <algm-PredictFractionalPeaks-v1>` now accepts the same set of modulation vector properties as :ref:`IndexPeaks <algm-IndexPeaks-v1>`.
 - New algorithm :ref:`ConvertHFIRSCDtoMDE <algm-ConvertHFIRSCDtoMDE-v1>` for converting HFIR single crystal data (from WAND and DEMAND) into MDEventWorkspace in units Q_sample.
 - ``IndexPeaksWithsatellites`` has been deleted as it had been deprecated and superseded by :ref:`IndexPeaks <algm-IndexPeaks-v1>`.
+- The output peak workspace from :ref:`PredictFractionalPeaks<algm-PredictFractionalPeaks-v1>` now keeps the same lattice parameters as the input workspace. 
 
 Imaging
 -------