Update crates/wac-types/src/component.rs

Co-authored-by: Ryan Levick <me@ryanlevick.com>

Author: peterhuene

crates/wac-types/src/component.rs

@@ -791,7 +791,7 @@ impl fmt::Display for FuncKind {
 pub struct ResourceAlias {
     /// The foreign owning interface for the resource.
     ///
-    /// This may be `None` if the resource does not have a foreign interface owner.
+    /// This may be `None` if the resource does not have a foreign interface owner such as in a world or when aliasing within the same interface. 
     #[cfg_attr(feature = "serde", serde(skip_serializing_if = "Option::is_none"))]
     pub owner: Option<InterfaceId>,
     /// The id of the resource that was aliased.