diff --git a/processor/app.py b/processor/app.py
index fae924c..6c30d67 100644
--- a/processor/app.py
+++ b/processor/app.py
@@ -14,7 +14,7 @@ from diff_match_patch import diff_match_patch
 class DiffThing(diff_match_patch):
     def diff_html(self, diffs):
         """Like diff_prettyHtml, but without inline style attributes
-        (makes it easier to style it with stylesheets).
+        (makes it easier to style it with ).
         """
         html = []
         for op, data in diffs:
@@ -27,7 +27,7 @@ class DiffThing(diff_match_patch):
             if op == self.DIFF_INSERT:
                 html.append("<ins>%s</ins>" % text)
             elif op == self.DIFF_DELETE:
-                html.append('<del">%s</del>' % text)
+                html.append("<del>%s</del>" % text)
             elif op == self.DIFF_EQUAL:
                 html.append("<span>%s</span>" % text)
         return "".join(html)