Update model/Operations/Properties/exportingCountry.md

Co-authored-by: stevenc-stb <steven@smarttalkbeacon.com>
Signed-off-by: umm0 <uschwarting@deloitte.de>

Author: umm0

model/Operations/Properties/exportingCountry.md

@@ -14,4 +14,4 @@ Country for which export controls must be taken into account.
 
 - name: exportingCountry
 - Nature: DataProperty
-- Range: /Core/Country
+- Range: /Core/CountryCodeAlpha3