From d5f8c7c99b6e52b75808892ac02e427cad775f43 Mon Sep 17 00:00:00 2001
From: Scott Sanderson <scoutoss@gmail.com>
Date: Tue, 6 Oct 2015 12:03:05 -0400
Subject: [PATCH] DOC: The double-colon is intentional.

---
 zipline/pipeline/factors/factor.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zipline/pipeline/factors/factor.py b/zipline/pipeline/factors/factor.py
index c3af8e04..4f1751e9 100644
--- a/zipline/pipeline/factors/factor.py
+++ b/zipline/pipeline/factors/factor.py
@@ -489,7 +489,7 @@ class CustomFactor(RequiredWindowLengthMixin, CustomTermMixin, Factor):
     Examples
     --------
 
-    A CustomFactor with pre-declared defaults:
+    A CustomFactor with pre-declared defaults::
 
         class TenDayRange(CustomFactor):
             """