Reword a rewording a bit
When we have a list of the form, "something is this, something is
that, and...", the last clause should follow the pattern.
diff --git a/src/attributes/testing.md b/src/attributes/testing.md
index d9213f5..2d86142 100644
--- a/src/attributes/testing.md
+++ b/src/attributes/testing.md
@@ -27,7 +27,7 @@
The `test` attribute uses the [MetaWord] syntax and thus does not take any inputs.
r[attributes.testing.test.allowed-positions]
-The `test` attribute may only be applied to [free functions] that are monomorphic, that take no arguments, and the return type must implement the [`Termination`] trait.
+The `test` attribute may only be applied to [free functions] that are monomorphic, that take no arguments, and where the return type implements the [`Termination`] trait.
> [!NOTE]
> Some of types that implement the [`Termination`] trait include:
