diff --git a/steps/LoSoTo.Plot.cwl b/steps/LoSoTo.Plot.cwl
index 85d4a159202259edb669417b02c36424be08c83b..4b71e1991443a75c1ac7ddfa7bd3da6bc7829a01 100644
--- a/steps/LoSoTo.Plot.cwl
+++ b/steps/LoSoTo.Plot.cwl
@@ -62,7 +62,6 @@ inputs:
     doc: |
       The axis to plot in different colours - e.g. pol to get correlations with
        different colors.
-
   - id: axisDiff
     type: string?
     doc: |
@@ -70,6 +69,7 @@ inputs:
       - e.g. ‘pol’ to plot XX-YY.
   - id: NColFig
     type: int?
+    type: string
     doc: |
       Number of columns in a multi-table image. By default is automatically
       chosen.
@@ -92,17 +92,14 @@ inputs:
     type: string?
     doc: |
       Use Log=’XYZ’ to set which axes to put in Log.
-
   - id: plotFlag
     type: boolean?
     default: false
     doc: Whether to plot also flags as red points in 2D plots.
-
   - id: doUnwrap
     type: boolean?
     default: false
     doc: Unwrap phases.
-
   - id: refAnt
     type: string?
     default: ''