release notes and a screenshot

docs/source/release/v5.1.0/mantidworkbench.rst

@@ -8,12 +8,17 @@ MantidWorkbench Changes
 Improvements
 ############
 
+.. figure:: ../../images/Plot1DSelectionDialog5-1.png
+   :align: right
+
+- The plot selection dialog now correctly shows the full range of valid spectra to plot, not just the min to max range.
 - Tile plots are now reloaded correctly by project recovery.
 
 
 Bugfixes
 ########
 
-- Fixed a bug where setting columns to Y error in table workspaces wasn't working. The links between the Y error and Y columns weren't being set up properly
+- Fixed a bug where setting columns to Y error in table workspaces wasn't working. The links between the Y error and Y columns weren't being set up properly.
+- Fixed a crash when you selected a spectra to plot that was not present in a workspace.
 
 :ref:`Release 5.1.0 <v5.1.0>`