diff --git a/docs/admin.txt b/docs/admin.txt
index fbdd19bc90..2eeaa64628 100644
--- a/docs/admin.txt
+++ b/docs/admin.txt
@@ -122,20 +122,14 @@ The ``field_options`` dictionary can have the following keys:
         }
 
 ``classes``
-    A string containing extra CSS classes to apply to the fieldset.
+    A list containing extra CSS classes to apply to the fieldset.
     
     Example::
         
         {
-        'classes': 'wide',
+        'classes': ['wide', 'extrapretty'],
         }
 
-    Apply multiple classes by separating them with spaces. Example::
-        
-        {
-        'classes': 'wide extrapretty',
-        }
-    
     Two useful classes defined by the default admin-site stylesheet are
     ``collapse`` and ``wide``. Fieldsets with the ``collapse`` style will be
     initially collapsed in the admin and replaced with a small "click to expand"
diff --git a/docs/tutorial02.txt b/docs/tutorial02.txt
index c69fd1459f..5f06dde962 100644
--- a/docs/tutorial02.txt
+++ b/docs/tutorial02.txt
@@ -192,7 +192,7 @@ aren't commonly used::
         class PollAdmin(admin.ModelAdmin):
             fieldsets = [
                 (None,               {'fields': ['question']}),
-                ('Date information', {'fields': ['pub_date'], 'classes': 'pub_date'}),
+                ('Date information', {'fields': ['pub_date'], 'classes': ['pub_date']}),
             ]
 
 .. image:: http://media.djangoproject.com/img/doc/tutorial-trunk/admin09.png
@@ -242,7 +242,7 @@ registration code to read::
     class PollAdmin(admin.ModelAdmin):
         fieldsets = [
             (None,               {'fields': ['question']}),
-            ('Date information', {'fields': ['pub_date'], 'classes': 'pub_date'}),
+            ('Date information', {'fields': ['pub_date'], 'classes': ['pub_date']}),
         ]
         inlines = [ChoiceInline]