diff --git a/zipline/pipeline/pipeline.py b/zipline/pipeline/pipeline.py
index 5c28eb9d..9a0e91a5 100644
--- a/zipline/pipeline/pipeline.py
+++ b/zipline/pipeline/pipeline.py
@@ -119,8 +119,8 @@ class Pipeline(object):
         """
         Set a screen on this Pipeline.
 
-        Parameter
-        ---------
+        Parameters
+        ----------
         filter : zipline.pipeline.Filter
             The filter to apply as a screen.
         overwrite : bool