diff --git a/docs/customer_management/cp_page_builder.md b/docs/customer_management/cp_page_builder.md
index f2152934f4..69e3bdd6b6 100644
--- a/docs/customer_management/cp_page_builder.md
+++ b/docs/customer_management/cp_page_builder.md
@@ -52,7 +52,7 @@ ibexa:
             content:
                 tree_root:
                     location_id: location_id_of_customer_portal
-                    excluded_uri_prefixes: [ /media, /images ]
+                    excluded_uri_prefixes: [ /media/, /images/ ]
 ```
 
 Next, under the `ibexa.system.admin.page_builder` [configuration key](configuration.md#configuration-files), add `custom_portal` to [the SiteAccess list available to Page Builder](multisite_configuration.md#siteaccesses-and-page-builder):
@@ -136,7 +136,7 @@ ibexa:
             content:
                 tree_root:
                     location_id: location_id_of_customer_portals_root_folder
-                    excluded_uri_prefixes: [ /media, /images ]
+                    excluded_uri_prefixes: [ /media/, /images/ ]
 ```
 
 Next, under the `ibexa.system.admin.page_builder` [configuration key](configuration.md#configuration-files), add `custom_portal` to [the SiteAccess list available to Page Builder](multisite_configuration.md#siteaccesses-and-page-builder):
@@ -234,7 +234,7 @@ ibexa:
             content:
                 tree_root:
                     location_id: location_id_of_customer_portals_root_folder
-                    excluded_uri_prefixes: [ /media, /images ]
+                    excluded_uri_prefixes: [ /media/, /images/ ]
 ```
 
 To generate the Customer Portal menu you should use `customer_portal.menu.main` key:
diff --git a/docs/multisite/multisite_configuration.md b/docs/multisite/multisite_configuration.md
index 8a35200057..7954c0486c 100644
--- a/docs/multisite/multisite_configuration.md
+++ b/docs/multisite/multisite_configuration.md
@@ -184,13 +184,14 @@ ibexa:
             content:
                 tree_root:
                     location_id: 42
-                    excluded_uri_prefixes: [/media, /images]
+                    excluded_uri_prefixes: [/media/, /images/]
             index_page: /EventFrontPage
 ```
 
 - `location_id` defines the location ID of the content root for the SiteAccess.
 - `excluded_uri_prefixes` defines which URIs ignore the root limit set by using `location_id`.
-In the example above, to access the Media and Images folders, you can use their own URI, even though they're outside the location provided in `content.tree_root.location_id`.
+  In the example above, to access the Media and Images folders, you can use their own URI, even though they're outside the location provided in `content.tree_root.location_id`.
+  It's an array of prefixes. So, for example, `[/media]` would also exclude `/mediation` from root limit.
 - `index_page` is the page shown when you access the root index `/`.
 
 !!! note
diff --git a/docs/multisite/set_up_campaign_siteaccess.md b/docs/multisite/set_up_campaign_siteaccess.md
index 83030c9056..506e188a68 100644
--- a/docs/multisite/set_up_campaign_siteaccess.md
+++ b/docs/multisite/set_up_campaign_siteaccess.md
@@ -51,7 +51,7 @@ Thanks to this configuration, you can access `<your site>/campaign/Articles/Arti
 ## Reuse content
 
 Finally, reuse some content between sites, for example "Logos" from "Images/Media".
-You can allow the `campaign` site to access them, even though they're in a different part of the tree, via `excluded_uri_prefixes`:
+You can allow the `campaign` site to access them, even though they're in a different part of the tree, via [`excluded_uri_prefixes`](multisite_configuration.md#location-tree):
 
 ``` yaml
 ibexa:
@@ -60,7 +60,7 @@ ibexa:
             content:
                 tree_root:
                     location_id: 57
-                    excluded_uri_prefixes: [ /media/images/logos ]
+                    excluded_uri_prefixes: [ /media/images/logos/ ]
 ```
 
 Now, when you use the `campaign` SiteAccess, you can reach `<your site>/campaign/Media/Images/Logos`, despite the fact that it's not a sub-item of the "Campaign" location.