Fix versionadded

Author: jmarrec

doc/source/html-styling.ipynb

@@ -1,12 +1,10 @@
 {
  "cells": [
   {
-   "cell_type": "code",
-   "execution_count": null,
+   "cell_type": "markdown",
    "metadata": {
     "collapsed": true
    },
-   "outputs": [],
    "source": [
     "*New in version 0.17.1*\n",
     "\n",
@@ -35,24 +33,6 @@
     "- [Extensibility](#Extensibility)"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
-   "outputs": [],
-   "source": []
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
-   "outputs": [],
-   "source": []
-  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -614,7 +594,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "New in version 0.19.2 is the ability to customize further the bar chart: You can now have the `df.style.bar` be centered on zero or midpoint value (in addition to the already existing way of having the min value at the left side of the cell), and you can pass a list of `[color_negative, color_positive]`.\n",
+    "New in version 0.20.0 is the ability to customize further the bar chart: You can now have the `df.style.bar` be centered on zero or midpoint value (in addition to the already existing way of having the min value at the left side of the cell), and you can pass a list of `[color_negative, color_positive]`.\n",
     "\n",
     "The following example shows the behavior of the new align options:"
    ]

pandas/formats/style.py

@@ -986,7 +986,9 @@ def bar(self, subset=None, align='left', axis=0,
             A number between 0 or 100. The largest value will cover ``width``
             percent of the cell's width
         align : str, default 'left'
-            .. versionadded:: 0.19.2
+            
+            .. versionadded:: 0.20.0
+            
             - 'left' : the min value starts at the left of the cell
             - 'zero' : a value of zero is located at the center of the cell
             - 'mid' : the center of the cell is at (max-min)/2, or