Issue mongodb#65: fix missing quote

Author: tjworks

locale/zh/LC_MESSAGES/reference/sql-comparison.po

@@ -344,7 +344,7 @@ msgid ""
 ":method:`~cursor.sort()`, and :method:`~cursor.count()`."
 msgstr ""
 "获取更多信息，查看 "
-:method:`db.collection.find()`, "
+":method:`db.collection.find()`, "
 ":method:`db.collection.distinct()`, :method:`db.collection.findOne()`, "
 ":query:`$ne` :query:`$and`, :query:`$or`, :query:`$gt`, :query:`$lt`, "
 ":query:`$exists`, :query:`$lte`, :query:`$regex`, :method:`~cursor.limit()`,"