chore: fix comment for packages/docs/content/v4/index.mdx (#4533)

Signed-off-by: tongjicoder <tongjicoder@icloud.com>

Author: tongjicoder

packages/docs/content/v4/index.mdx

@@ -14,7 +14,7 @@ Huge thanks to [Clerk](https://go.clerk.com/zod-clerk), who supported my work on
 
 ## Versioning 
 
-To simplify the migration process both for users and Zod's ecosystem of associated libraries, Zod 4 will initially published alongside Zod 3 as part of the `zod@3.25` release. Despite the version number, it it considered stable and ready for production use.
+To simplify the migration process both for users and Zod's ecosystem of associated libraries, Zod 4 will initially published alongside Zod 3 as part of the `zod@3.25` release. Despite the version number, it is considered stable and ready for production use.
 
 To upgrade: