diff --git a/minimalborders.md b/minimalborders.md
index 2fd0aaf..457314f 100644
--- a/minimalborders.md
+++ b/minimalborders.md
@@ -7,6 +7,23 @@ Dynamically adjusts the borders between adjacent windows to make them visually m
 static const int draw_minimal_borders = 0; /* disable minimalborders */
 ```
 
+<details>
+<summary>Preview:</summary>
+<pre>
+with:
+
+```c
+static const unsigned int borderpx         = 10;  /* border pixel of windows */
+```
+
+Before applying the patch
+<img src="https://i.imgur.com/VQfXCjp.png"/>
+
+After applying the patch
+<img src="https://i.imgur.com/I7s0Xkv.png"/>
+</pre>
+</details>
+
 ### Download
 - [git branch](https://codeberg.org/wochap/dwl/src/branch/v0.5/minimalborders)
 - [2024-03-12](https://codeberg.org/dwl/dwl-patches/raw/branch/main/minimalborders/minimalborders.patch)