fix typos, mostly in comments
diff --git a/Lib/test/test_dircache.py b/Lib/test/test_dircache.py
index 3f10872..68f6fc2 100644
--- a/Lib/test/test_dircache.py
+++ b/Lib/test/test_dircache.py
@@ -46,7 +46,7 @@
if sys.platform[:3] not in ('win', 'os2'):
# Sadly, dircache has the same granularity as stat.mtime, and so
- # can't notice any changes that occured within 1 sec of the last
+ # can't notice any changes that occurred within 1 sec of the last
# time it examined a directory.
time.sleep(1)
self.writeTemp("test1")
diff --git a/Lib/test/test_threadsignals.py b/Lib/test/test_threadsignals.py
index fcae312..51e3d97 100644
--- a/Lib/test/test_threadsignals.py
+++ b/Lib/test/test_threadsignals.py
@@ -21,7 +21,7 @@
return usr1, usr2, alrm
-# The signal handler. Just note that the signal occured and
+# The signal handler. Just note that the signal occurred and
# from who.
def handle_signals(sig,frame):
signal_blackboard[sig]['tripped'] += 1