diff --git a/README.md b/README.md
index 82c7e46..8e566a9 100644
--- a/README.md
+++ b/README.md
@@ -564,5 +564,7 @@ There are different types of joins available in SQL −
     table2: Second table
     matching_column: Column common to both the tables.
     
+## 4) FULL JOIN
 
+