Various changes.

1 files changed, 4 insertions, 2 deletions

diff --git a/histogram.py b/histogram.py
index 0368376..3391b0b 100644
--- a/histogram.py
+++ b/histogram.py
@@ -69,13 +69,15 @@ class SimpleHistogram(Generic[T]):
     def __repr__(self,
                  label_formatter='%10s') -> str:
         from text_utils import bar_graph
+
         max_population: Optional[int] = None
         for bucket in self.buckets:
             pop = self.buckets[bucket]
             if pop > 0:
-                last_bucket_start = bucket[0]
+                last_bucket_start = bucket[0]  # beginning of range
             if max_population is None or pop > max_population:
-                max_population = pop
+                max_population = pop  # bucket with max items
+
         txt = ""
         if max_population is None:
             return txt