Fix typo in Test Removal Procedure doc

This commit fixes some typos in the Tempest Test Removal Procedure
document. The document was introduced by just copying from the wiki page
to this repo[1]. So we didn't paying attention at that time.

[1] I5f2322a5de7b73252e0162165eeaec120ec94948

Change-Id: Ia3b4f255cc688ddd4007cf80753923cb18799b98
diff --git a/doc/source/test-removal.rst b/doc/source/test-removal.rst
index 6570bb7..79a5846 100644
--- a/doc/source/test-removal.rst
+++ b/doc/source/test-removal.rst
@@ -31,7 +31,7 @@
 
  #. The tests proposed for removal must have equiv. coverage in a different
     project's test suite (whether this is another gating test project, or an in
-    tree funcitonal test suite) For API tests preferably the other project will
+    tree functional test suite). For API tests preferably the other project will
     have a similar source of friction in place to prevent breaking api changes
     so that we don't regress and let breaking api changes slip through the
     gate.
@@ -62,7 +62,7 @@
 
 SELECT * from tests where test_id like "%test_id%";
 (where $test_id is the full test_id, but truncated to the class because of
-setupclass or teardownclass failures)
+setupClass or tearDownClass failures)
 
 You can access the infra mysql subunit2sql db w/ read-only permissions with:
 
@@ -113,7 +113,7 @@
 well ahead of the scheduled meeting. Since the meeting time will be well known
 ahead of time anyone who depends on the tests will have ample time beforehand
 to outline any concerns on the before the meeting. To give ample time for
-people to respond to removal proposals please add things to the agend by the
+people to respond to removal proposals please add things to the agenda by the
 Monday before the meeting.
 
 The other option is to raise the removal on the openstack-dev mailing list.
@@ -163,6 +163,6 @@
 anything that lives in tempest which doesn't test one of these projects can be
 removed assuming there is equivalent testing elsewhere. Preferably using the
 `tempest plugin mechanism`_
-to mantain continuity after migrating the tests out of tempest
+to maintain continuity after migrating the tests out of tempest.
 
 .. _tempest plugin mechanism: http://docs.openstack.org/developer/tempest/plugin.html