In the description for the PrimaryMeasureType is a missleading reference: `Primary measure type assigned to the definition of the property. It should be provided, if the PropertyType is set to:` shall be changed to `Primary measure type assigned to the definition of the property. It should be provided, if the TemplateType is set to:` https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/link/ifcsimplepropertytemplate.htm 
In the description for the PrimaryMeasureType is a missleading reference:
Primary measure type assigned to the definition of the property. It should be provided, if the PropertyType is set to:shall be changed to
Primary measure type assigned to the definition of the property. It should be provided, if the TemplateType is set to:https://standards.buildingsmart.org/IFC/RELEASE/IFC4/ADD2_TC1/HTML/link/ifcsimplepropertytemplate.htm
