diff --git a/core/src/main/scala/org/apache/spark/SparkEnv.scala b/core/src/main/scala/org/apache/spark/SparkEnv.scala
index 005681cc1a1a1..84c0fa5840b73 100644
--- a/core/src/main/scala/org/apache/spark/SparkEnv.scala
+++ b/core/src/main/scala/org/apache/spark/SparkEnv.scala
@@ -77,7 +77,7 @@ class SparkEnv (
   def shuffleManager: ShuffleManager = _shuffleManager
 
   // We initialize the MemoryManager later in SparkContext after DriverPlugin is loaded
-  // to allow the plugin to overwrite memory configurations
+  // to allow the plugin to overwrite executor memory configurations
   private var _memoryManager: MemoryManager = _
 
   def memoryManager: MemoryManager = _memoryManager