diff --git a/docs/intro/reusable-apps.txt b/docs/intro/reusable-apps.txt
index a32614285a..988c2ab4ce 100644
--- a/docs/intro/reusable-apps.txt
+++ b/docs/intro/reusable-apps.txt
@@ -66,6 +66,9 @@ After the previous tutorials, our project should look like this::
         polls/
             __init__.py
             admin.py
+            migrations/
+                __init__.py
+                0001_initial.py
             models.py
             static/
                 polls/
diff --git a/docs/intro/tutorial01.txt b/docs/intro/tutorial01.txt
index be35254adb..b99adbb7f6 100644
--- a/docs/intro/tutorial01.txt
+++ b/docs/intro/tutorial01.txt
@@ -704,8 +704,11 @@ demonstration:
     :filename: polls/models.py
 
     import datetime
+
+    from django.db import models
     from django.utils import timezone
-    # ...
+
+
     class Question(models.Model):
         # ...
         def was_published_recently(self):
diff --git a/docs/intro/tutorial02.txt b/docs/intro/tutorial02.txt
index 4c5e869f8d..653090b6d6 100644
--- a/docs/intro/tutorial02.txt
+++ b/docs/intro/tutorial02.txt
@@ -275,8 +275,8 @@ with the admin just as we did with ``Question``. That's easy:
     :filename: polls/admin.py
 
     from django.contrib import admin
-    from polls.models import Choice
-
+    from polls.models import Choice, Question
+    # ...
     admin.site.register(Choice)
 
 Now "Choices" is an available option in the Django admin. The "Add choice" form
@@ -319,8 +319,7 @@ registration code to read:
     class QuestionAdmin(admin.ModelAdmin):
         fieldsets = [
             (None,               {'fields': ['question_text']}),
-            ('Date information', {'fields': ['pub_date'],
-                                  'classes': ['collapse']}),
+            ('Date information', {'fields': ['pub_date'], 'classes': ['collapse']}),
         ]
         inlines = [ChoiceInline]
 
diff --git a/docs/intro/tutorial03.txt b/docs/intro/tutorial03.txt
index c3ab1870c9..54cc019150 100644
--- a/docs/intro/tutorial03.txt
+++ b/docs/intro/tutorial03.txt
@@ -97,7 +97,7 @@ In the ``polls/urls.py`` file include the following code:
     from polls import views
 
     urlpatterns = [
-        url(r'^$', views.index, name='index')
+        url(r'^$', views.index, name='index'),
     ]
 
 The next step is to point the root URLconf at the ``polls.urls`` module. In
@@ -466,7 +466,7 @@ provides a shortcut. Here's the ``detail()`` view, rewritten:
 .. snippet::
     :filename: polls/views.py
 
-    from django.shortcuts import render, get_object_or_404
+    from django.shortcuts import get_object_or_404, render
 
     from polls.models import Question
     # ...
diff --git a/docs/intro/tutorial04.txt b/docs/intro/tutorial04.txt
index 51cc34a30f..48e38bf159 100644
--- a/docs/intro/tutorial04.txt
+++ b/docs/intro/tutorial04.txt
@@ -72,6 +72,7 @@ create a real version. Add the following to ``polls/views.py``:
     from django.shortcuts import get_object_or_404, render
     from django.http import HttpResponseRedirect, HttpResponse
     from django.core.urlresolvers import reverse
+
     from polls.models import Choice, Question
     # ...
     def vote(request, question_id):