diff --git a/common/network-common/src/main/java/org/apache/spark/network/util/JavaUtils.java b/common/network-common/src/main/java/org/apache/spark/network/util/JavaUtils.java
index 8d83ae0712f0..fbed2f053dc6 100644
--- a/common/network-common/src/main/java/org/apache/spark/network/util/JavaUtils.java
+++ b/common/network-common/src/main/java/org/apache/spark/network/util/JavaUtils.java
@@ -236,11 +236,11 @@ public static long byteStringAs(String str, ByteUnit unit) {
       }
 
     } catch (NumberFormatException e) {
-      String timeError = "Size must be specified as bytes (b), " +
+      String byteError = "Size must be specified as bytes (b), " +
         "kibibytes (k), mebibytes (m), gibibytes (g), tebibytes (t), or pebibytes(p). " +
         "E.g. 50b, 100k, or 250m.";
 
-      throw new NumberFormatException(timeError + "\n" + e.getMessage());
+      throw new NumberFormatException(byteError + "\n" + e.getMessage());
     }
   }