Update app.py

app.py

@@ -32,8 +32,8 @@ def __(mo):
         As Grant explains, the seam carving algorithm preserves the shapes of the main content in the image, while killing the "dead space": the image is resized, but the clocks and other content are not resized or deformed.
 
         This notebook is a Python version of the seam carving algorithm, but it is also a
-        demonstration of marimo's [persistent caching
-        feature](https://docs.marimo.io/recipes.html#persistent-caching-for-very-expensive-computations),
+        demonstration of marimo's [caching
+        feature](https://docs.marimo.io/guides/best_practices/performance.html#cache-computations-with-mo-cache),
         which is helpful because the algorithm is compute intensive even when you
         use [Numba](https://numba.pydata.org/).