Update example.md.twig

Author: TorstenDittmann

templates/csharp/docs/example.md.twig

@@ -14,4 +14,4 @@ client
 {% endif %}
 {{ service.name | caseUcfirst }} {{ service.name | caseCamel }} = new {{ service.name | caseUcfirst }}(client);
 
-result = ${{ service.name | caseCamel }}.{{ method.name | caseCamel }}({% for parameter in method.parameters.all %}{% if parameter.required %}{% if not loop.first %}, {% endif %}{{ parameter | paramExample }}{% endif %}{% endfor %});
+result = {{ service.name | caseCamel }}.{{ method.name | caseCamel }}({% for parameter in method.parameters.all %}{% if parameter.required %}{% if not loop.first %}, {% endif %}{{ parameter | paramExample }}{% endif %}{% endfor %});