diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/config/NetworkConfigStore.java b/incubator/api/src/main/java/org/onosproject/incubator/net/config/NetworkConfigStore.java
index cd9e229..96f9c59 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/config/NetworkConfigStore.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/config/NetworkConfigStore.java
@@ -44,7 +44,7 @@
      *
      * @param configClass configuration class
      * @param <S>         type of subject
-     * @param <C>          type of configuration
+     * @param <C>         type of configuration
      * @return configuration factory or null
      */
     <S, C extends Config<S>> ConfigFactory<S, C> getConfigFactory(Class<C> configClass);
@@ -112,6 +112,7 @@
      * @param json        raw JSON node containing the configuration data
      * @param <S>         type of subject
      * @param <C>         type of configuration
+     * @return configuration object
      */
     <S, C extends Config<S>> C applyConfig(S subject, Class<C> configClass,
                                            ObjectNode json);