diff --git a/journal.md b/journal.md
index 30beea7..4e37561 100644
--- a/journal.md
+++ b/journal.md
@@ -44,6 +44,7 @@ Reference 3 (1996).
 Reference 4 (2020).
 Reference 5 (1979).
 More missing references (2020)
+Reference 2 (1979).
 
 ## Appendix
 NEW LINE FOR TEST