diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py
index 2e527dfd810..0aa0c3e15e9 100644
--- a/Lib/collections/__init__.py
+++ b/Lib/collections/__init__.py
@@ -680,7 +680,7 @@ class Counter(dict):
 
         '''
         # The regular dict.update() operation makes no sense here because the
-        # replace behavior results in the some of original untouched counts
+        # replace behavior results in some of the original untouched counts
         # being mixed-in with all of the other counts for a mismash that
         # doesn't have a straight-forward interpretation in most counting
         # contexts.  Instead, we implement straight-addition.  Both the inputs