diff --git a/README.md b/README.md
index 281a879..542dfbb 100644
--- a/README.md
+++ b/README.md
@@ -163,11 +163,17 @@ scaling = adjustSpeed 2 $ syncAll
 ```haskell
 latex_basic :: Ani ()
 latex_basic = proc () -> do
-  duration 1 -< ()
+  duration 2 -< ()
+  s <- signalOscillate 0 1 -< ()
   emit -< do
     rect_ [width_ "100%", height_ "100%", fill_ "black"]
-    g_ [transform_ $ translate 5 50] $
-      g_ [transform_ $ scale 4 4, fill_ "white"] $
-        latex "$\\sum_{k=1}^\\infty {1 \\over k^2} = {\\pi^2 \\over 6}$"
+    g_ [transform_ $ translate 20 15] $
+      g_ [transform_ $ scale 4 4, stroke_ "white", fill_opacity_ "0", stroke_width_ "0.1"] $
+        text
+    g_ [transform_ $ translate 20 15] $
+      g_ [transform_ $ scale 4 4, fill_ "white", num_ fill_opacity_ s] $
+        text
+  where
+    text = latex "\\sum_{k=1}^\\infty {1 \\over k^2} = {\\pi^2 \\over 6}"
 ```
 ![Basic LaTeX](gifs/latex_basic.gif)