more usage of SpectrumIDs fixed within documentation

refs #15529

docs/source/interfaces/Engineering_Diffraction.rst

@@ -51,7 +51,7 @@ generate a new calibration file (which becomes the new current
 calibration).
 
 With the help of Cropped Calibration user can also calibrate according
-to bank or by setting the SpectrumNumbers once the Cropped Calibration group
+to bank or by setting the Spectrum Numbers once the Cropped Calibration group
 box has been enabled.
 
 The plot Calibrated Workspace check-box will enable user to plot
@@ -83,12 +83,12 @@ Bank Name:
   carried out. The bank name can be selected from a drop down list with
   option of "North" and "South", which are equivalently to 1 and 2
   respectively. However the Bank Name drop down list is set to
-  "Enable Spectrum-IDs" by default. This option cannot be used together
-  with Spectrum IDs, as they overlap. For the convenience of users, the
-  GUI will only enable SpectrumNumbers and Customise Bank Name text-fields
-  when Bank Name drop down list is set to "Enable Spectrum-IDs"
+  "Enable Spectrum-Nos" by default. This option cannot be used together
+  with Spectrum Nos, as they overlap. For the convenience of users, the
+  GUI will only enable Spectrum Numbers and Customise Bank Name text-fields
+  when Bank Name drop down list is set to "Enable Spectrum-Nos"
 
-SpectrumNumbers:
+Spectrum Numbers:
   This parameter is only required when Cropped Calibration is being
   carried out, the parameter will set the spectrum numbers of the
   detectors, that should be considered in the calibration while all
@@ -98,7 +98,7 @@ SpectrumNumbers:
 
 Customise Bank Name:
   This parameter is only required when Cropped Calibration is being
-  carried out with SpectrumNumbers, the parameter will set the workspace
+  carried out with Spectrum Numbers, the parameter will set the workspace
   and .his file name according to this Bank Name provided by the user.
   However if the user does not provide a personalised name, the
   interface will use "cropped" as a default bank name.
@@ -140,7 +140,7 @@ spectra present in the input runs are considered. In the second
 alternative, cropped focusing, all the banks are considered in
 principle but only a list of spectra provided manually are
 processed. In the third option, *texture focusing*, the banks are
-defined by a user-defined list of banks and corresponding spectrum IDs
+defined by a user-defined list of banks and corresponding spectrum Nos
 provided in a file. For these alternatives, the output focused
 workspace will take different suffixes: *_bank_1, _bank_2*, and so on
 for normal focusing, *_cropped* for cropped focusing, and