refactor(pl/rust): improve composition ending notes

Author: vados-cosmonic

component-model/src/language-support/importing-and-reusing-components/rust.md

@@ -97,9 +97,9 @@ world root {
 }
 ```
 
-As the import is unfulfilled, the `calculator.wasm` component could not run by itself in its current form.
+As the import is unfulfilled, the `calculator.wasm` component could not run by itself in its current form. The next step is to fulfill the `add` import, so that only `calculate` is exported, and the component can be run.
 
-To fulfill the `add` import, so that only `calculate` is exported, you would
-need to [compose the `calculator.wasm` with some `adder.wasm` into a single, self-contained component](../../composing-and-distributing/composing.md).
+The process of fufilling imports via other component's exports is called "composition". Learn more about how to compose the calculator.wasm
+with an adder.wasm into a single, self-contained component in the [component composition guide](../../composing-and-distributing/composing.md).
 
 [!NOTE]: #