diff --git a/append.py b/append.py
index b882d0c..f00bf9f 100755
--- a/append.py
+++ b/append.py
@@ -235,14 +235,21 @@ def __archive_slug(title):
     slug = re.sub(u'\u2013', '-', slug)
     slug = re.sub(u'\xd7', 'x', slug)
     slug = re.sub(u'\u2019', '', slug)
-    slug = re.sub('[^A-Za-z0-9\-\.]', ' ', slug)
+    slug = re.sub('[^A-Za-z0-9\-\.(]', ' ', slug)
     slug = re.sub(' {2,}', ' ', slug)
     tokens = slug.split(' ')
-    tokens = [t.capitalize() for t in tokens]
+    tokens = [__paren_capitalize(t) for t in tokens]
     slug = ''.join(tokens)
     return slug
 
 
+def __paren_capitalize(token):
+    if token.startswith('('):
+        token = token[1:]
+        return token.lower()
+    return token.capitalize()
+
+
 def __main(feed_file):
     logging.basicConfig(level=logging.INFO,
             format='%(message)s')