lib/fitting/statistics/not_covered_responses.rb in fitting-2.17.0 vs lib/fitting/statistics/not_covered_responses.rb in fitting-2.18.0

@@ -4,10 +4,10 @@
       def initialize(measurement)
         @measurement = measurement
       end
 
       def to_s
-        @measurement.not_covered_responses.join("\n") + "\n"
+        "#{@measurement.not_covered_responses.join("\n")}\n"
       end
     end
   end
 end