diff --git a/src/main/java/net/onrc/onos/core/topology/TopologyManager.java b/src/main/java/net/onrc/onos/core/topology/TopologyManager.java
index 31933e4..62228f0 100644
--- a/src/main/java/net/onrc/onos/core/topology/TopologyManager.java
+++ b/src/main/java/net/onrc/onos/core/topology/TopologyManager.java
@@ -130,11 +130,11 @@
     }
 
     /**
-     * Get the Topology.
+     * Get the MutableTopology.
      *
-     * @return the Topology.
+     * @return the MutableTopology.
      */
-    Topology getTopology() {
+    MutableTopology getTopology() {
         return topology;
     }