Fix some annotation errors

Change-Id: Ib3f08c079b29c9ad0e3c41697da6744b9c17e1e6

doc/source/faq.rst

@@ -25,7 +25,7 @@ Could I hook an external service into a panel using, for example, an iFrame?
 
     Panels are just entry-points to hook views into the larger dashboard
     navigational structure and enforce common attributes like RBAC. The
-    view and corresponding templates can contain anything you would like,
+    views and corresponding templates can contain anything you would like,
     including iFrames.
 
 What does this mean for visual design?

doc/source/testing.rst

@@ -11,7 +11,7 @@ tests. While they can be run individually without problem, there is an easier
 way:
 
 Included at the root of the repository is the ``tox.ini`` config
-which invokes both sets of tests, and  optionally generates analyses on both
+which invokes both sets of tests, and optionally generates analyses on both
 components in the process. ``tox`` is what Jenkins uses to verify the
 stability of the project, so you should make sure you run it and it passes
 before you submit any pull requests/patches.
@@ -54,7 +54,7 @@ If you need to install PhantomJS, you may do so with `npm` like this::
 
     $ npm -g install phantomjs
 
-Alternatively, many distributions have system packages for phantomjs, or
+Alternatively, many distributions have system packages for PhantomJS, or
 it can be downloaded from http://phantomjs.org/download.html.
 
 tox Test Environments

horizon/test/tests/exceptions.py

@@ -35,7 +35,7 @@ class HandleTests(test.TestCase):
             exceptions.handle(req)
 
         # The real test here is to make sure the handle method doesn't throw a
-        # UnicodeEncodeError, but making sure the message is correct could be
+        # UnicodeEncodeError, but making sure the message is correct and
         # useful as well.
         self.assertItemsEqual(req.horizon['async_messages'], [expected])
 
@@ -57,6 +57,6 @@ class HandleTests(test.TestCase):
         # message part of the first message. There should be only one message
         # in this test case.
         self.assertIn(message, req.horizon['async_messages'][0][1])
-        # verifying that the exec message which in this case is not trusted
-        # is not in the message content
+        # verifies that the exec message which in this case is not trusted
+        # is not in the message content.
         self.assertNotIn(exc_msg, req.horizon['async_messages'][0][1])

horizon/utils/functions.py

@@ -108,8 +108,8 @@ def get_log_length(request):
 
 def get_timezone(request):
     # Session and cookie store timezone as django_timezone.
-    # In case there is no timezone neither in session nor cookie
-    # use default value from settings file where it's called TIME_ZONE
+    # In case there is no timezone neither in session nor in cookie,
+    # use default value from settings file where it's called TIME_ZONE.
     return get_config_value(request, 'django_timezone',
                             getattr(settings, 'TIME_ZONE', 'UTC'))
 
@@ -133,7 +133,7 @@ def get_keys(tuple_of_tuples):
 
 def value_for_key(tuple_of_tuples, key):
     """Processes a tuple of 2-element tuples and returns the value
-    corresponding to the given key. If not value is found, the key is returned.
+    corresponding to the given key. If no value is found, the key is returned.
     """
     for t in tuple_of_tuples:
         if t[0] == key: