// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( TreebookTestCase );
-// also include in it's own registry so that these tests can be run alone
+// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TreebookTestCase, "TreebookTestCase" );
void TreebookTestCase::setUp()