diff --git a/django/forms/models.py b/django/forms/models.py
index cd77a90248..3bc132a998 100644
--- a/django/forms/models.py
+++ b/django/forms/models.py
@@ -230,7 +230,7 @@ class BaseModelForm(BaseForm):
             except FieldDoesNotExist:
                 # This is an extra field that's not on the ModelForm, ignore it
                 continue
-            # MySQL can't handle ... WHERE pk IS NULL, so make sure we don't 
+            # MySQL can't handle ... WHERE pk IS NULL, so make sure we
             # don't generate queries of that form.
             is_null_pk = f.primary_key and self.cleaned_data[name] is None
             if name in self.cleaned_data and f.unique and not is_null_pk:
@@ -254,7 +254,7 @@ class BaseModelForm(BaseForm):
             if self.instance.pk is not None:
                 qs = qs.exclude(pk=self.instance.pk)
                 
-            # This cute trick with extra/values is the most efficiant way to
+            # This cute trick with extra/values is the most efficient way to
             # tell if a particular query returns any results.
             if qs.extra(select={'a': 1}).values('a').order_by():
                 model_name = capfirst(self.instance._meta.verbose_name)
diff --git a/docs/topics/forms/modelforms.txt b/docs/topics/forms/modelforms.txt
index f2b14f3874..f58e532c26 100644
--- a/docs/topics/forms/modelforms.txt
+++ b/docs/topics/forms/modelforms.txt
@@ -337,11 +337,11 @@ parameter when declaring the form field::
 Overriding the clean() method
 -----------------------------
 
-You can overide the ``clean()`` method on a model form to provide additional
-validation in the same way you can on a normal form.  However, by default the
+You can override the ``clean()`` method on a model form to provide additional
+validation in the same way you can on a normal form. However, by default the
 ``clean()`` method validates the uniqueness of fields that are marked as unique
-on the model, and those marked as unque_together, if you would like to overide
-the ``clean()`` method and maintain the default validation you must call the
+or unique_together on the model. Therefore, if you would like to override
+the ``clean()`` method and maintain the default validation, you must call the
 parent class's ``clean()`` method.
 
 Form inheritance