diff --git a/docs/docs/ui-gridtable.md b/docs/docs/ui-gridtable.md
index 82a7348413..2a180b7902 100644
--- a/docs/docs/ui-gridtable.md
+++ b/docs/docs/ui-gridtable.md
@@ -156,6 +156,7 @@ var table = scene.rexUI.add.gridTable({
 
         // input: 'drag',
         // position: 'right',
+        // gap: undefined,
 
         // hideUnscrollableSlider: false,
         // disableUnscrollableDrag: false,
diff --git a/docs/docs/ui-scrollablepanel.md b/docs/docs/ui-scrollablepanel.md
index f1359bc6d3..2b59d29823 100644
--- a/docs/docs/ui-scrollablepanel.md
+++ b/docs/docs/ui-scrollablepanel.md
@@ -145,6 +145,7 @@ var panel = scene.rexUI.add.scrollablePanel({
 
         // input: 'drag',
         // position: 'right',
+        // gap: undefined,
 
         // hideUnscrollableSlider: false,
         // disableUnscrollableDrag: false,
diff --git a/docs/docs/ui-textarea.md b/docs/docs/ui-textarea.md
index 4e771e262a..3d1625f130 100644
--- a/docs/docs/ui-textarea.md
+++ b/docs/docs/ui-textarea.md
@@ -127,6 +127,7 @@ var textArea = scene.rexUI.add.textArea({
 
         // input: 'drag',
         // position: 'right',
+         // gap: undefined,
 
         // hideUnscrollableSlider: false,
         // disableUnscrollableDrag: false,