[ci skip] Fix more typos in UPGRADING

diff --git a/UPGRADING b/UPGRADING
index 4854ab75b6ed9561dc955fe9b573420cc02ddfff..2b38f5c2c316576639c1cb4c15dea617b997f7e3 100644 (file)
--- a/UPGRADING
+++ b/UPGRADING
@@ -255,7 +255,7 @@ See also: https://wiki.php.net/rfc/deprecations_php_7_2
 
 - Mbstring:
   . Added mb_chr() and mb_ord().
-  . Added mb_scurb() that scrub broken multibyte strings.
+  . Added mb_scrub() that scrubs broken multibyte strings.
 
 - OCI8:
   . Added oci_register_taf_callback() and oci_disable_taf_callback() for