diff --git a/spring-webflow/src/main/java/org/springframework/webflow/execution/repository/impl/FlowExecutionSnapshotGroup.java b/spring-webflow/src/main/java/org/springframework/webflow/execution/repository/impl/FlowExecutionSnapshotGroup.java
index cafd3018..156aa978 100644
--- a/spring-webflow/src/main/java/org/springframework/webflow/execution/repository/impl/FlowExecutionSnapshotGroup.java
+++ b/spring-webflow/src/main/java/org/springframework/webflow/execution/repository/impl/FlowExecutionSnapshotGroup.java
@@ -6,7 +6,8 @@ import org.springframework.webflow.execution.repository.snapshot.FlowExecutionSn
 import org.springframework.webflow.execution.repository.snapshot.SnapshotNotFoundException;
 
 /**
- * A group of flow execution snapshots.
+ * A group of flow execution snapshots. A SPI interface that encapsulates the storage management for a group of flow
+ * execution snapshots.
  * 
  * @author Keith Donald
  */