Fix some English grammar. [CURA-5903]

resources/definitions/fdmprinter.def.json

@@ -4142,7 +4142,7 @@
                 "minimum_support_area": 
                 {
                     "label": "Minimum Support Area",
-                    "description": "Minimum area size for support polygons. Polygons which area is smaller than this value will not be generated.",
+                    "description": "Minimum area size for support polygons. Polygons which have an area smaller than this value will not be generated.",
                     "unit": "mm²",
                     "type": "float",
                     "default_value": 0.0,
@@ -4395,7 +4395,7 @@
                 "minimum_interface_area": 
                 {
                     "label": "Minimum Support Interface Area",
-                    "description": "Minimum area size for support interface polygons. Polygons which area are smaller than this value will not be generated.",
+                    "description": "Minimum area size for support interface polygons. Polygons which have an area smaller than this value will not be generated.",
                     "unit": "mm²",
                     "type": "float",
                     "default_value": 1.0,
@@ -4409,7 +4409,7 @@
                         "minimum_roof_area": 
                         {
                             "label": "Minimum Support Roof Area",
-                            "description": "Minimum area size for the roofs of the support. Polygons which area are smaller than this value will not be generated.",
+                            "description": "Minimum area size for the roofs of the support. Polygons which have an area smaller than this value will not be generated.",
                             "unit": "mm²",
                             "type": "float",
                             "default_value": 1.0,
@@ -4423,7 +4423,7 @@
                         "minimum_bottom_area": 
                         {
                             "label": "Minimum Support Floor Area",
-                            "description": "Minimum area size for the floors of the support. Polygons which area are smaller than this value will not be generated.",
+                            "description": "Minimum area size for the floors of the support. Polygons which have an area smaller than this value will not be generated.",
                             "unit": "mm²",
                             "type": "float",
                             "default_value": 1.0,