diff --git a/examples/demo/touchtracer/main.py b/examples/demo/touchtracer/main.py
index ca10e6b14..c97a7e190 100755
--- a/examples/demo/touchtracer/main.py
+++ b/examples/demo/touchtracer/main.py
@@ -135,6 +135,7 @@ class Touchtracer(FloatLayout):
         label.pos = touch.pos
         label.size = label.texture_size[0] + 20, label.texture_size[1] + 20
 
+
 class TouchtracerApp(App):
     title = 'Touchtracer'
     icon = 'icon.png'
diff --git a/kivy/config.py b/kivy/config.py
index f2e064b7c..49fcf2768 100644
--- a/kivy/config.py
+++ b/kivy/config.py
@@ -755,12 +755,14 @@ if not environ.get('KIVY_DOC_INCLUDE'):
 
         elif version == 12:
             Config.set('graphics', 'window_state', 'visible')
-	elif version == 13:
+
+        elif version == 13:
             Config.set('graphics', 'minimum_width', '0')
             Config.set('graphics', 'minimum_height', '0')
-        #elif version == 1:
-        #   # add here the command for upgrading from configuration 0 to 1
-        #
+
+        # elif version == 1:
+        #    # add here the command for upgrading from configuration 0 to 1
+
         else:
             # for future.
             break
diff --git a/kivy/core/window/__init__.py b/kivy/core/window/__init__.py
index d6bfdb623..daf7e9266 100755
--- a/kivy/core/window/__init__.py
+++ b/kivy/core/window/__init__.py
@@ -334,15 +334,21 @@ class WindowBase(EventDispatcher):
             return False
 
     minimum_width = NumericProperty(0)
-    '''The minimum_width to restrict the window to.
+    '''The minimum width to restrict the window to.
 
     .. versionadded:: 1.9.1
+
+    :attr:`minimum_width` is a :class:`~kivy.properties.NumericProperty`,
+    defaults to 0.
     '''
 
     minimum_height = NumericProperty(0)
-    '''The minimum_height to restrict the window to.
+    '''The minimum height to restrict the window to.
 
     .. versionadded:: 1.9.1
+
+    :attr:`minimum_height` is a :class:`~kivy.properties.NumericProperty`,
+    defaults to 0.
     '''
 
     size = AliasProperty(_get_size, _set_size, bind=('_size', ))
diff --git a/kivy/core/window/window_sdl2.py b/kivy/core/window/window_sdl2.py
index a25d7ac10..24fe6b6eb 100644
--- a/kivy/core/window/window_sdl2.py
+++ b/kivy/core/window/window_sdl2.py
@@ -155,13 +155,12 @@ class WindowSDL(WindowBase):
                     280: 'pgup',
                     281: 'pgdown'}
         self._mouse_buttons_down = set()
-        self.bind(
-            minimum_width=self._restrict_window,
-            minimum_height=self._restrict_window)
+
+        self.bind(minimum_width=self._restrict_window,
+                  minimum_height=self._restrict_window)
 
     def _restrict_window(self, *args):
         self._win.set_minimum_size(self.minimum_width, self.minimum_height)
-        
 
     def create_window(self, *largs):
         if self._fake_fullscreen:
@@ -173,8 +172,8 @@ class WindowSDL(WindowBase):
         if self.fullscreen == 'fake':
             self.borderless = self._fake_fullscreen = True
             Logger.warning("The 'fake' fullscreen option has been "
-                            "deprecated, use Window.borderless or the "
-                            "borderless Config option instead.")
+                           "deprecated, use Window.borderless or the "
+                           "borderless Config option instead.")
 
         if not self.initialized:
 
@@ -207,7 +206,7 @@ class WindowSDL(WindowBase):
             self._win.set_border_state(self.borderless)
             self._win.set_fullscreen_mode(self.fullscreen)
 
-        if self.minimum_width and self.minimum_height:
+        if self.minimum_width or self.minimum_height:
             self._win.set_minimum_size(self.minimum_width, self.minimum_height)
 
         super(WindowSDL, self).create_window()