diff --git a/pizza_histogram.py b/pizza_histogram.py
index a1b6eb7..25772b7 100644
--- a/pizza_histogram.py
+++ b/pizza_histogram.py
@@ -1,21 +1,21 @@
 import matplotlib.pyplot as plt
 
-o = [("pepperoni", 2), ("hawaiian", 7), ("pepperoni",8), ("cheese", 2), ("hawaiian", 20), ("sausage", 5), ("cheese", 10), ("bacon", 2)]
-
+pizza order = [("pepperoni", 2), ("hawaiian", 7), ("pepperoni",8), ("cheese", 2), ("hawaiian", 20), ("sausage", 5), ("cheese", 10), ("bacon", 2)]
+pizza type = i
 
 '''
 '''
-d = {}
-for i in o:
-    if i[0] in d.keys():
-        d[i[0]] += i[1]
+hist = {}
+for i in pizza order:
+    if i[pizza order] in hist.keys():
+        hist[i[pizza order]] += i[1]
     else:
 
-        d[i[0]] = i[1]
+        hist[i[pizza order]] = i[1]
 
-for k, v in d.items():
+for k, v in hist.items():
     print("{}: {}".format(k, v))
 
 
-plt.bar(list(d.keys()), d.values())
+plt.bar(list(hist.keys()), hist.values())
 plt.show()