diff --git a/doc/custom_static.md b/doc/custom_static.md
deleted file mode 100644
index 7bb290094..000000000
--- a/doc/custom_static.md
+++ /dev/null
@@ -1,11 +0,0 @@
-# Custom static files
-Etherpad allows you to include your own static files in the browser, by modifying the files in `static/custom`.
-
-* `index.js` Javascript that'll be run in `/`
-* `index.css` Stylesheet affecting `/`
-* `pad.js` Javascript that'll be run in `/p/:padid`
-* `pad.css` Stylesheet affecting `/p/:padid`
-* `timeslider.js` Javascript that'll be run in `/p/:padid/timeslider`
-* `timeslider.css` Stylesheet affecting `/p/:padid/timeslider`
-* `favicon.ico` Overrides the default favicon.
-* `robots.txt` Overrides the default `robots.txt`.
\ No newline at end of file
diff --git a/doc/index.md b/doc/index.md
index 09553f686..5b93bac68 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -1,7 +1,7 @@
 @include documentation
 @include stats
 @include localization
-@include custom_static
+@include skins
 @include api/api
 @include plugins
 @include database
diff --git a/doc/skins.md b/doc/skins.md
new file mode 100644
index 000000000..1431dac8d
--- /dev/null
+++ b/doc/skins.md
@@ -0,0 +1,19 @@
+# Skins
+You can customize Etherpad appearance using skins.
+A skin is a directory located under `static/skins/<skin_name>`, with the following contents:
+
+* `index.js`: javascript that will be run in `/`
+* `index.css`: stylesheet affecting `/`
+* `pad.js`: javascript that will be run in `/p/:padid`
+* `pad.css`: stylesheet affecting `/p/:padid`
+* `timeslider.js`: javascript that will be run in `/p/:padid/timeslider`
+* `timeslider.css`: stylesheet affecting `/p/:padid/timeslider`
+* `favicon.ico`: overrides the default favicon
+* `robots.txt`: overrides the default `robots.txt`
+
+You can choose a skin changing the parameter `skinName` in `settings.json`.
+
+Since Etherpad **1.8**, two skins are included:
+
+* `no-skin`: an empty skin, leaving the default Etherpad appearance unchanged, that you can use as a guidance to develop your own.
+* `colibris`: a new, experimental skin, that will become the default in Etherpad 2.0.