diff --git a/core/src/main/scala/spark/Accumulators.scala b/core/src/main/scala/spark/Accumulators.scala
index 197ceedddcb47b878699b4498c9f22428524c982..5a1ca496267be11a81d0caaf6c6fde657cf76176 100644
--- a/core/src/main/scala/spark/Accumulators.scala
+++ b/core/src/main/scala/spark/Accumulators.scala
@@ -21,7 +21,7 @@ class Accumulable[T,R] (
    * add more data to this accumulator / accumulable
    * @param term
    */
-  def += (term: R) { value_ = param.addToAccum(value_, term) }
+  def += (term: R) { value_ = param.addAccumulator(value_, term) }
 
   /**
    * merge two accumulable objects together
@@ -57,7 +57,7 @@ class Accumulator[T](
  * @tparam T
  */
 trait AccumulatorParam[T] extends AccumulableParam[T,T] {
-  def addToAccum(t1: T, t2: T) : T = {
+  def addAccumulator(t1: T, t2: T) : T = {
     addInPlace(t1, t2)
   }
 }
@@ -80,7 +80,7 @@ trait AccumulableParam[T,R] extends Serializable {
    * @param t2 the data to be added to the accumulator
    * @return the new value of the accumulator
    */
-  def addToAccum(t1: T, t2: R) : T
+  def addAccumulator(t1: T, t2: R) : T
 
   /**
    * merge two accumulated values together
diff --git a/core/src/test/scala/spark/AccumulatorSuite.scala b/core/src/test/scala/spark/AccumulatorSuite.scala
index 24c4591034411d36b7705b3df51792fd9973f702..d9ef8797d6473304628da9c8a9917a5d41f3f3b8 100644
--- a/core/src/test/scala/spark/AccumulatorSuite.scala
+++ b/core/src/test/scala/spark/AccumulatorSuite.scala
@@ -53,7 +53,7 @@ class AccumulatorSuite extends FunSuite with ShouldMatchers {
       t1 ++= t2
       t1
     }
-    def addToAccum(t1: mutable.Set[Any], t2: Any) : mutable.Set[Any] = {
+    def addAccumulator(t1: mutable.Set[Any], t2: Any) : mutable.Set[Any] = {
       t1 += t2
       t1
     }