Fix miscellaneous typos (#4275)
diff --git a/Modules/expat/xmltok_impl.c b/Modules/expat/xmltok_impl.c
index 93328b8..2874bb3 100644
--- a/Modules/expat/xmltok_impl.c
+++ b/Modules/expat/xmltok_impl.c
@@ -1733,7 +1733,7 @@
for (; *ptr2; ptr1 += MINBPC(enc), ptr2++) {
if (end1 - ptr1 < MINBPC(enc)) {
/* This line cannot be executed. THe incoming data has already
- * been tokenized once, so imcomplete characters like this have
+ * been tokenized once, so incomplete characters like this have
* already been eliminated from the input. Retaining the
* paranoia check is still valuable, however.
*/