diff --git a/warehouse/filters.py b/warehouse/filters.py
index <HASH>..<HASH> 100644
--- a/warehouse/filters.py
+++ b/warehouse/filters.py
@@ -132,7 +132,7 @@ def format_classifiers(classifiers):
         if value:
             structured[key].append(value[0])
 
-    # Go thorugh and ensure that all of the lists in our classifiers are in
+    # Go through and ensure that all of the lists in our classifiers are in
     # sorted order.
     structured = {k: sorted(v) for k, v in structured.items()}
Fix simple typo: thorugh -> through (#<I>)

Closes #<I>