Clarified Javadoc for ISourceConstruct
diff --git a/org.eclipse.handly/src/org/eclipse/handly/model/ISourceConstruct.java b/org.eclipse.handly/src/org/eclipse/handly/model/ISourceConstruct.java
index 1cbc543..fd41889 100644
--- a/org.eclipse.handly/src/org/eclipse/handly/model/ISourceConstruct.java
+++ b/org.eclipse.handly/src/org/eclipse/handly/model/ISourceConstruct.java
@@ -11,7 +11,9 @@
package org.eclipse.handly.model;
/**
- * Represents a programming language's structural construct.
+ * Represents an element in a source file or, more generally,
+ * an element inside a "resource" that may have associated source
+ * (an example of such "resource" might be a class file in a jar).
*
* @noimplement This interface is not intended to be implemented by clients.
*/