Update ref-metrics.py

ref-metrics.py

@@ -101,8 +101,12 @@ class UserFriendlyMetrics(evaluate.Metric):
             area_ranges_tuples=None,  # Optional parameter
             debug: bool = False,
         ):
-            
-            """Returns the metrics"""
+            """
+            Call the required functions to compute the metrics and return them.
+        
+            Returns:
+                dict: A dictionary containing the computed metrics and relevant results.
+            """            
             return self.dummy_values(area_ranges_tuples)
     
     def dummy_values(self, area_ranges_tuples=None):