Update javascript/ql/src/change-notes/2025-02-28-membership-regexp-test.md

Co-authored-by: Copilot <[email protected]>

Author: asgerf

javascript/ql/src/change-notes/2025-02-28-membership-regexp-test.md

@@ -2,6 +2,6 @@
 category: fix
 ---
 * Fixed a bug that would in rare cases cause some regexp-based checks
-  to seen as generic taint sanitisers, even though the underlying regexp
+  to be seen as generic taint sanitisers, even though the underlying regexp
   is not restrictive enough. The regexps are now analysed more precisely,
   and unrestrictive regexp checks will no longer block taint flow.