diff --git a/src/class001/LanguageConversion.java b/src/class001/LanguageConversion.java
index 955a001e2..0ef425601 100644
--- a/src/class001/LanguageConversion.java
+++ b/src/class001/LanguageConversion.java
@@ -36,7 +36,7 @@ public static void mergeSort(int[] arr) {
 				}
 			}
 		}
-
+		//test
 		public static void merge(int[] nums, int l, int m, int r) {
 			int p1 = l;
 			int p2 = m + 1;