4 files changed, 4 insertions, 7 deletions

diff --git a/crystal.html.markdown b/crystal.html.markdown
index ad9cf0f8..8210b443 100644
--- a/crystal.html.markdown
+++ b/crystal.html.markdown
@@ -301,7 +301,6 @@ end
 (1..3).each do |index|
   puts "Index: #{index}"
 end
-# Index: 0
 # Index: 1
 # Index: 2
 # Index: 3
diff --git a/fr-fr/crystal-fr.html.markdown b/fr-fr/crystal-fr.html.markdown
index 2c4e3dad..2bb17fc5 100644
--- a/fr-fr/crystal-fr.html.markdown
+++ b/fr-fr/crystal-fr.html.markdown
@@ -305,7 +305,6 @@ end
 (1..3).each do |index|
   puts "Index: #{index}"
 end
-# Index: 0
 # Index: 1
 # Index: 2
 # Index: 3
diff --git a/java.html.markdown b/java.html.markdown
index dd875c16..ab2be4a2 100644
--- a/java.html.markdown
+++ b/java.html.markdown
@@ -44,8 +44,6 @@ import java.util.ArrayList;
 // Import all classes inside of java.security package
 import java.security.*;
 
-// Each .java file contains one outer-level public class, with the same name
-// as the file.
 public class LearnJava {
 
     // In order to run a java program, it must have a main method as an entry
diff --git a/pythonstatcomp.html.markdown b/pythonstatcomp.html.markdown
index 79bbcd8d..6dde1cf0 100644
--- a/pythonstatcomp.html.markdown
+++ b/pythonstatcomp.html.markdown
@@ -13,10 +13,11 @@ This is a tutorial on how to do some typical statistical programming tasks using
 
 # 0. Getting set up ====
 
-""" Get set up with IPython and pip install the following: numpy, scipy, pandas,
+""" To get started, pip install the following: jupyter, numpy, scipy, pandas,
     matplotlib, seaborn, requests.
-        Make sure to do this tutorial in the IPython notebook so that you get
-    the inline plots and easy documentation lookup.
+        Make sure to do this tutorial in a Jupyter notebook so that you get
+    the inline plots and easy documentation lookup. The shell command to open 
+    one is simply `jupyter notebook`, then click New -> Python.
 """
 
 # 1. Data acquisition ====