Fix typos in docs, comments and test assert messages (#14872)
diff --git a/Modules/_xxtestfuzz/fuzzer.c b/Modules/_xxtestfuzz/fuzzer.c
index 2446e71..dae1eae 100644
--- a/Modules/_xxtestfuzz/fuzzer.c
+++ b/Modules/_xxtestfuzz/fuzzer.c
@@ -210,7 +210,7 @@
/* Some random patterns used to test re.match.
Be careful not to add catostraphically slow regexes here, we want to
- excercise the matching code without causing timeouts.*/
+ exercise the matching code without causing timeouts.*/
static const char* regex_patterns[] = {
".", "^", "abc", "abc|def", "^xxx$", "\\b", "()", "[a-zA-Z0-9]",
"abc+", "[^A-Z]", "[x]", "(?=)", "a{z}", "a+b", "a*?", "a??", "a+?",