diff --git a/README.md b/README.md
index 7a17511..cdc9bbc 100644
--- a/README.md
+++ b/README.md
@@ -135,9 +135,11 @@ Some of the application options are not exposed in the GUI. They can be adjusted
| **ActiveClientHighlightThickness** | Thickness of the border used to highlight the active client's thumbnail.
Allowed values are **1**...**6**.
The default value is **3**
For example: **"ActiveClientHighlightThickness": 3**
|
| **CompatibilityMode** | Enables the alternative render mode (see below)
The default value is **false**
For example: **"CompatibilityMode": true**
|
| **EnableThumbnailSnap** | Allows to disable thumbnails snap feature by setting its value to **false**
The default value is **true**
For example: **"EnableThumbnailSnap": true**
|
+| **HideThumbnailsDelay** | Delay before thumbnails are hidden if the **General** -> **Hide previews when EVE client is not active** option is enabled
The delay is measured in thumbnail refresh periods
The default value is **2** (corresponds to 1 second delay)
For example: **"HideThumbnailsDelay": 2**
|
| **PriorityClients** | Allows to set a list of clients that are not auto-minimized on inactivity even if the **Minimize inactive EVE clients** option is enabled. Listed clients still can be minimized using Windows hotkeys or via _Ctrl+Click_ on the corresponding thumbnail
The default value is empty list **[]**
For example: **"PriorityClients": [ "EVE - Phrynohyas Tig-Rah", "EVE - Ondatra Patrouette" ]**
|
| **ThumbnailMinimumSize** | Minimum thumbnail size that can be set either via GUI or by resizing a thumbnail window. Value is written in the form "width, height"
The default value is **"100, 80"**.
For example: **"ThumbnailMinimumSize": "100, 80"**
|
| **ThumbnailMaximumSize** | Maximum thumbnail size that can be set either via GUI or by resizing a thumbnail window. Value is written in the form "width, height"
The default value is **"640, 400"**.
For example: **"ThumbnailMaximumSize": "640, 400"**
|
+| **ThumbnailRefreshPeriod** | Thumbnail refresh period in milliseconds. This option accepts values between **300** and **1000** only.
The default value is **500** milliseconds.
For example: **"ThumbnailRefreshPeriod": 500**
|