diff --git a/buggy.py b/buggy.py
--- a/buggy.py
+++ b/buggy.py
@@ -19,7 +19,7 @@
             # counting frequencies of word i in dictionary d
             for j in i:
                 if d.get(j):
-                    d[j] += 2
+                    d[j] += 1
                 else:
                     d[j] = 1
 
