Fixed a few javadoc warnings.
diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/FlowRuleProviderService.java b/core/api/src/main/java/org/onlab/onos/net/flow/FlowRuleProviderService.java
index f5b31f8..737ac28 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/FlowRuleProviderService.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/FlowRuleProviderService.java
@@ -33,9 +33,8 @@
      * Pushes the collection of flow entries currently applied on the given
      * device.
      *
-     * @param deviceId device identifier
-     * @return collection of flow entries
+     * @param flowRules collection of flow rules
      */
-    void pushFlowMetrics(Iterable<FlowRule> flowEntries);
+    void pushFlowMetrics(Iterable<FlowRule> flowRules);
 
 }
diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/criteria/Criteria.java b/core/api/src/main/java/org/onlab/onos/net/flow/criteria/Criteria.java
index 9a5fffa..2cfb4de 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/criteria/Criteria.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/criteria/Criteria.java
@@ -31,7 +31,7 @@
      * Creates a match on ETH_SRC field using the specified value. This value
      * may be a wildcard mask.
      *
-     * @param macValue MAC address value or wildcard mask
+     * @param mac MAC address value or wildcard mask
      * @return match criterion
      */
     public static Criterion matchEthSrc(MacAddress mac) {
@@ -42,7 +42,7 @@
      * Creates a match on ETH_DST field using the specified value. This value
      * may be a wildcard mask.
      *
-     * @param macValue MAC address value or wildcard mask
+     * @param mac MAC address value or wildcard mask
      * @return match criterion
      */
     public static Criterion matchEthDst(MacAddress mac) {
diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L2ModificationInstruction.java b/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L2ModificationInstruction.java
index 78eaaa9..a0ab04c 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L2ModificationInstruction.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L2ModificationInstruction.java
@@ -5,7 +5,6 @@
 
 /**
  * Abstraction of a single traffic treatment step.
- * @param <T> the type parameter for the instruction
  */
 public abstract class L2ModificationInstruction implements Instruction {
 
diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L3ModificationInstruction.java b/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L3ModificationInstruction.java
index cf25f10..797df9b 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L3ModificationInstruction.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/instructions/L3ModificationInstruction.java
@@ -4,7 +4,6 @@
 
 /**
  * Abstraction of a single traffic treatment step.
- * @param <T> the type parameter for the instruction
  */
 public abstract class L3ModificationInstruction implements Instruction {