diff --git a/docs/gum-code/gum-code-reference/idataui.md b/docs/gum-code/gum-code-reference/idataui.md
index 0f21e660..a6588504 100644
--- a/docs/gum-code/gum-code-reference/idataui.md
+++ b/docs/gum-code/gum-code-reference/idataui.md
@@ -1,2 +1,5 @@
 # IDataUi
 
+### Introduction
+
+IDataUi is an interface which is used by the DataUiGrid. It can be implemented by custom controls to display data.