Strip trailing spaces in tutorial

1 files changed, 6 insertions, 6 deletions

diff --git a/docs/tutorial/4-authentication-and-permissions.md b/docs/tutorial/4-authentication-and-permissions.md
index bdbe00ab..74ad9a55 100644
--- a/docs/tutorial/4-authentication-and-permissions.md
+++ b/docs/tutorial/4-authentication-and-permissions.md
@@ -73,12 +73,12 @@ We'll also add a couple of views to `views.py`.  We'd like to just use read-only
     class UserList(generics.ListAPIView):
         queryset = User.objects.all()
         serializer_class = UserSerializer
-    
-    
+
+
     class UserDetail(generics.RetrieveAPIView):
         queryset = User.objects.all()
         serializer_class = UserSerializer
-        
+
 Make sure to also import the `UserSerializer` class
 
 	from snippets.serializers import UserSerializer
@@ -157,8 +157,8 @@ To do that we're going to need to create a custom permission.
 In the snippets app, create a new file, `permissions.py`
 
     from rest_framework import permissions
-    
-    
+
+
     class IsOwnerOrReadOnly(permissions.BasePermission):
         """
         Custom permission to only allow owners of an object to edit it.
@@ -201,7 +201,7 @@ If we try to create a snippet without authenticating, we'll get an error:
 We can make a successful request by including the username and password of one of the users we created earlier.
 
     curl -X POST http://127.0.0.1:8000/snippets/ -d "code=print 789" -u tom:password
-    
+
     {"id": 5, "owner": "tom", "title": "foo", "code": "print 789", "linenos": false, "language": "python", "style": "friendly"}
 
 ## Summary