SNMP based device and flow rule provider for Lumentum SDN ROADMs.

ONOS-3690 and ONOS-3842

Change-Id: If00ba70fa26e01924c225596c52a5ffb24987cc2
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/ConfigGetter.java b/core/api/src/main/java/org/onosproject/net/behaviour/ConfigGetter.java
index e77183b..89180ff 100644
--- a/core/api/src/main/java/org/onosproject/net/behaviour/ConfigGetter.java
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/ConfigGetter.java
@@ -29,7 +29,7 @@
 
     /**
      * Returns the string representation of a device configuration, returns a
-     * failure string if the configuration cannot be retreived.
+     * failure string if the configuration cannot be retrieved.
      * @param type the type of configuration to get (i.e. running).
      * @return string representation of the configuration or an error string.
      */