patch 8.1.0528: various typos in comments
Problem: Various typos in comments.
Solution: Fix the typos.
diff --git a/src/screen.c b/src/screen.c
index 69f7558..1cf90ee 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -6223,7 +6223,7 @@
* first highlighted character. The stop-highlighting code must
* be written with the cursor just after the last highlighted
* character.
- * Overwriting a character doesn't remove it's highlighting. Need
+ * Overwriting a character doesn't remove its highlighting. Need
* to clear the rest of the line, and force redrawing it
* completely.
*/