From c8a9d6a14c03ea8678eececf63c3febee003e382 Mon Sep 17 00:00:00 2001
From: JasonGrace2282 <aarush.deshpande@gmail.com>
Date: Sun, 28 Jan 2024 12:05:30 -0500
Subject: [PATCH] Add ref_class

---
 docs/source/examples.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/source/examples.rst b/docs/source/examples.rst
index 16b3ee7869..6d39027bfc 100644
--- a/docs/source/examples.rst
+++ b/docs/source/examples.rst
@@ -94,7 +94,7 @@ Basic Concepts
             self.add(image, image.background_rectangle)
 
 .. manim:: BooleanOperations
-    :ref_classes: Union Intersection Exclusion
+    :ref_classes: Union Intersection Exclusion Difference
 
     class BooleanOperations(Scene):
         def construct(self):