diff --git a/docs/de/configuration.md b/docs/de/configuration.md
index 54e4131..2424b10 100644
--- a/docs/de/configuration.md
+++ b/docs/de/configuration.md
@@ -29,8 +29,14 @@ dir: ~/.Videos
 
 # Hier werden die Download-URLs zwischengespeichert
 cache: ~/.video-manager_history
+
+#
+preferred_extensions:
+  - .mp4
+  - .avi
+  - .webm
 ```
 
 ## Siehe auch
 
-* [Befehle](./commands/index.md)
\ No newline at end of file
+* [Befehle](./commands/index.md)
diff --git a/docs/en/configuration.md b/docs/en/configuration.md
index 5c25db5..a1fc9dc 100644
--- a/docs/en/configuration.md
+++ b/docs/en/configuration.md
@@ -29,6 +29,13 @@ dir: ~/.Videos
 
 # This is where download urls are cached
 cache: ~/.video-manager_history
+
+# The preferred extensions for files
+# The first one that matches is used
+preferred_extensions:
+  - .mp4
+  - .avi
+  - .webm
 ```
 
 ## See Also
diff --git a/docs/uk/configuration.md b/docs/uk/configuration.md
index dd4bd71..02ae10f 100644
--- a/docs/uk/configuration.md
+++ b/docs/uk/configuration.md
@@ -29,8 +29,14 @@ dir: ~/.Videos
 
 # Це місце, де кешуються URL-адреси завантаження
 cache: ~/.video-manager_history
+
+#
+preferred_extensions:
+  - .mp4
+  - .avi
+  - .webm
 ```
 
 ## Дивись також
 
-* [Команди](./commands/index.md)
\ No newline at end of file
+* [Команди](./commands/index.md)