Update macros/serverless/cron-schedules.mdx

Author: SamyOubouaziz

macros/serverless/cron-schedules.mdx

@@ -62,7 +62,7 @@ Some examples of simple cron schedules expressions, useful for tasks like regula
 | `0 * * * *`                | Runs every hour                                                |
 | `0 0 * * *`                | Runs every day at midnight                                     |
 | `0 9 * * *`                | Runs every day at 9:00                                         |
-| `0 0 * * 0`                | Runs every sunday at midnight                                  |
+| `0 0 * * 0`                | Runs every Sunday at midnight                                  |
 | `0 0 1 * *`                | Runs once a month at midnight                                  |
 
 ### Advanced