Fix typo: "pases" => "passes"

src/content/learn/understanding-your-ui-as-a-tree.md

@@ -253,7 +253,7 @@ With conditional rendering, across different renders, the render tree may render
 
 In this example, depending on what `inspiration.type` is, we may render `<FancyText>` or `<Color>`. The render tree may be different for each render pass.
 
-Although render trees may differ across render pases, these trees are generally helpful for identifying what the *top-level* and *leaf components* are in a React app. Top-level components are the components nearest to the root component and affect the rendering performance of all the components beneath them and often contain the most complexity. Leaf components are near the bottom of the tree and have no child components and are often frequently re-rendered.
+Although render trees may differ across render passes, these trees are generally helpful for identifying what the *top-level* and *leaf components* are in a React app. Top-level components are the components nearest to the root component and affect the rendering performance of all the components beneath them and often contain the most complexity. Leaf components are near the bottom of the tree and have no child components and are often frequently re-rendered.
 
 Identifying these categories of components are useful for understanding data flow and performance of your app.