Merge pull request #1096 from slater/patch-1

Update dbcon.rst

docs/tutorial/dbcon.rst

@@ -51,7 +51,7 @@ decorator.  It's executed every time the application context tears down::
 Functions marked with :meth:`~flask.Flask.teardown_appcontext` are called
 every time the app context tears down.  So what does this mean?
 Essentially the app context is created before the request comes in and is
-destroyed (teared down) whenever the request finishes.  A teardown can
+destroyed (torn down) whenever the request finishes.  A teardown can
 happen because of two reasons: either everything went well (the error
 parameter will be `None`) or an exception happened in which case the error
 is passed to the teardown function.