diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/criteria/package-info.java b/core/api/src/main/java/org/onlab/onos/net/flow/criteria/package-info.java
new file mode 100644
index 0000000..82eb210
--- /dev/null
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/criteria/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * Traffic selection criteria model.
+ */
+package org.onlab.onos.net.flow.criteria;