"""
Box Plot with Min/Max Whiskers
------------------------------
This example shows how to make a basic box plot using US Population data from 2000.  
Note that the default value of the `extent` property is 1.5, which can be used to 
produce in the standard modified boxplot.
"""
# category: other charts
import altair as alt
from vega_datasets import data

source = data.population.url

alt.Chart(source).mark_boxplot().encode(
    x='age:O',
    y='people:Q'
)

@@ -1,17 +1,16 @@
 %22%22%22%0ABox
- P
+p
 lot with
@@ -95,18 +95,11 @@
 e a 
-basic 
 box
- 
 plot
@@ -201,71 +201,140 @@
 1.5,
- 
+%0A
 which 
-can be used to %0Aproduce in
+represents the convention of extending the whiskers%0Ato the furthest points within 1.5 * IQR from
  the 
+fir
 st
+ 
 and
-ard modified boxplot
+ third quartile
 .%0A%22%22
@@ -443,16 +443,16 @@
 on.url%0A%0A
-
 alt.Char
@@ -474,16 +474,32 @@
 boxplot(
+extent='min-max'
 ).encode

Correct boxplot example to reflect title