Fix typos mostly in comments, docs and test names (GH-15209)
diff --git a/Misc/HISTORY b/Misc/HISTORY
index f49960c..32b2a37 100644
--- a/Misc/HISTORY
+++ b/Misc/HISTORY
@@ -1231,7 +1231,7 @@
- Issue #22448: Improve canceled timer handles cleanup to prevent
unbound memory usage. Patch by Joshua Moore-Oliva.
-- Issue #23009: Make sure selectors.EpollSelecrtor.select() works when no
+- Issue #23009: Make sure selectors.EpollSelector.select() works when no
FD is registered.
IDLE
@@ -16660,7 +16660,7 @@
Exception (KeyboardInterrupt, and SystemExit) propagate instead of
ignoring them.
-- #3021 Exception reraising sematics have been significantly improved. However,
+- #3021 Exception reraising semantics have been significantly improved. However,
f_exc_type, f_exc_value, and f_exc_traceback cannot be accessed from Python
code anymore.