     for uriParameter in uriParameters
       if Object.keys(parameters).indexOf(uriParameter) == -1
         ambigous = true
-        text = "\nAmbigous URI template: #{uriTemplate} " + \
-               "\nParameter not defined:" + \
+        text = "\nAmbigous URI parameter in template: #{uriTemplate} " + \
+               "\nParameter not defined in blueprint:" + \
                "'" + uriParameter + "'"
         result['warnings'].push text
 

    for param in expression['params']
      uriParameters.push param['name']

  # check if all parameters have an expression in URI
  for parameter in Object.keys(parameters)
    if uriParameters.indexOf(parameter) == -1
      text = "\nURI template: #{uriTemplate}\nDoesn\'t contain expression for parameter" + \

        if param['required'] == true
          if param['example'] == undefined or param['example'] == ""
            ambigous = true
            text = "\nAmbigous URI parameter in template: #{uriTemplate} " + \
                   "\nNo example value for required parameter in blueprint:" + \
                   "'" + uriParameter + "'"
            result['warnings'].push text
          else
