diff --git a/README.md b/README.md
index 179aa95..d55c732 100644
--- a/README.md
+++ b/README.md
@@ -94,14 +94,18 @@ Get Mods from external Path (**URL/UNC/Local**) - download/copy to `mods` in Win
For **URL**: This requires a site directory with **Directory Listing Enabled** and no index page overriding the listing of files (or an index page with href listing of all the **Mods** to be downloaded):
```
```
Validated on **IIS/Apache**.
-**Nota bene IIS** : Files with special characters in the filename can't be opened by default from an IIS server - config must be administrated: **Enable Allow double escaping** in '**Request Filtering**'.
+
+**Nota bene IIS** :
+ - The extension **.ps1** must be added as **allowed extension** (otherwise it's displayed in the listing but cant be opened)
+ - Files with special characters in the filename can't be opened by default from an IIS server - config must be administrated: **Enable Allow double escaping** in '**Request Filtering**'
**-InstallUserContext**
Install WAU with system and **user** context executions (From version 1.15.3)