javadoc
diff --git a/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/platform/ga/IGraphicsAlgorithmRenderer.java b/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/platform/ga/IGraphicsAlgorithmRenderer.java
index ee6fb53..9b5151c 100644
--- a/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/platform/ga/IGraphicsAlgorithmRenderer.java
+++ b/plugins/org.eclipse.graphiti/src/org/eclipse/graphiti/platform/ga/IGraphicsAlgorithmRenderer.java
@@ -15,8 +15,16 @@
*******************************************************************************/
package org.eclipse.graphiti.platform.ga;
+import org.eclipse.graphiti.dt.IDiagramTypeProvider;
+
/**
- * The Interface IGraphicsAlgorithmRenderer.
+ * A marker interface enabling the framework to distinguish between customer
+ * draw 2d figures and draw 2d figures created by the framework based on the
+ * Graphiti model. If an editor needs to provide custom draw 2d figures these
+ * figures need to implement this interface.
+ *
+ * @see IGraphicsAlgorithmRendererFactory,
+ * @see IDiagramTypeProvider#getGraphicsAlgorithmRendererFactory
*/
public interface IGraphicsAlgorithmRenderer {
}