Merge pull request #20646 from mganeva/20645_fix_typo

Refs #20645. Fixed typo in the Bin2DPowderDiffraction documentation.

docs/source/algorithms/Bin2DPowderDiffraction-v1.rst

@@ -41,8 +41,8 @@ Restrictions on the input workspace
 
 Binning parameters
 ------------------
-Either *Axis1Binning* and *Axis2Binning* or *BinEdgesFile* must be specified, but not both. *Axis1Binning* contains binning parameters
-in d-Spacing. *Axis2Binning* contains binning parameters in d-SpacingPerpendicular. Binning parameters should be set the same way as
+Either *dSpaceBinning* and *dPerpendicularBinning* or *BinEdgesFile* must be specified, but not both. *dSpaceBinning* contains binning parameters
+in d-Spacing. *dPerpendicularBinning* contains binning parameters in d-SpacingPerpendicular. Binning parameters should be set the same way as
 for :ref:`algm-Rebin` algorithm.
 
 In the case if non-equidistant binning is required, bin edges can be specified in the *BinEdgesFile*.