Update documentation

Author: Chocapikk

documentation/modules/exploit/multi/http/spip_bigup_unauth_rce.md

@@ -60,7 +60,7 @@ docker run --name casse-spip -p 8000:80 \
 ## Options
 
 - **FORM_PAGE**: This option allows you to specify a custom page on the target SPIP installation that contains a form.
-By default, the module will automatically check the `login` and `contact` pages for forms,
+By default, the module will automatically check the `login`, `spip_pass`, and `contact` pages for forms,
 but if you know of another page that contains a form, you can specify it here.
 For example, if an article page contains a form, you can set this option like so:
 
@@ -70,7 +70,8 @@ set FORM_PAGE /spip.php?article1
 
 This will instruct the module to look for the form data on `/spip.php?article1`.
 If the specified page contains the vulnerable form, the module will proceed with the exploitation.
-This option is particularly useful when the default pages (`login` and `contact`) do not contain the form or are not accessible.
+This option is particularly useful when the default pages (`login`, `spip_pass` and `contact`)
+do not contain the form or are not accessible.
 
 ## Scenarios