Update src/routes/concepts/control-flow/error-boundary.mdx

Co-authored-by: Sarah <gerrardsarah@gmail.com>

Author: amirhhashemi

src/routes/concepts/control-flow/error-boundary.mdx

@@ -11,7 +11,7 @@ It catches any error that occurs during the rendering or updating of its childre
 However, an important note is that errors occurring outside the rendering process, such as in event handlers or after a `setTimeout`, are *not* caught by error boundaries.
 
 The `fallback` prop can be used to display a user-friendly error message or notification when an error occurs.
-If you pass a function to `fallback`, it will receive the error object as well as a `reset` function.
+If a function id passed to `fallback`, it will receive the error object as well as a `reset` function.
 The `reset` function forces the `<ErrorBoundary>` to re-render its children and resets the error state, providing users with a way to recover from the error.
 
 ```tsx