Update release notes and documentation screenshot

Re #27826

Update release notes and documentation screenshot
Re #27826
bdd43c90 · Gemma Guest · 03c7a7d0 · bdd43c90 · 03c7a7d0 · bdd43c90
Commit bdd43c90 authored 4 years ago by Gemma Guest
--- a/docs/source/images/ISISReflectometryInterface/background_subtraction.png
+++ b/docs/source/images/ISISReflectometryInterface/background_subtraction.png
--- a/docs/source/images/ISISReflectometryInterface/experiment_settings_tab.png
+++ b/docs/source/images/ISISReflectometryInterface/experiment_settings_tab.png
--- a/docs/source/release/v5.1.0/reflectometry.rst
+++ b/docs/source/release/v5.1.0/reflectometry.rst
@@ -12,6 +12,19 @@ Reflectometry Changes
 ISIS Reflectometry Interface
 ############################

+New
+---
+
+.. figure:: ../../images/ISISReflectometryInterface/background_subtraction.png
+  :class: screenshot
+  :width: 700px
+  :align: right
+  :alt: Background subtraction on the ISIS Reflectometry Interface
+
+  *Background subtraction on the ISIS Reflectometry Interface*
+
+- Background subtraction options have been added to the ISIS Reflectometry Interface. The subtraction is performed using :ref:`algm-ReflectometryBackgroundSubtraction`.
+
 Bug fixes
 ---------