From b9efccf731f5ce0b0ed49cee2fa4c9d12b72ab3a Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Fri, 27 Jun 2014 23:18:58 -0400
Subject: [PATCH] DOC : documented bottom kwarg of hist

closes #3136
---
 lib/matplotlib/axes/_axes.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
index 7ca75dce39a4..354af18584ef 100644
--- a/lib/matplotlib/axes/_axes.py
+++ b/lib/matplotlib/axes/_axes.py
@@ -5349,6 +5349,12 @@ def hist(self, x, bins=10, range=None, normed=False, weights=None,
             `True`, then the histogram is normalized such that the first bin
             equals 1.
 
+        bottom : array_like, scalar, or None, default: None
+            Location of the bottom baseline of each bin.  If a scalar,
+            the base line for each bin is shifted by the same amount.
+            If an array, each bin is shifted independently and the length
+            of bottom must match the number of bins.  If None, defaults to 0.
+
         histtype : ['bar' | 'barstacked' | 'step' | 'stepfilled'], optional
             The type of histogram to draw.