diff --git a/README.md b/README.md
index 6807501..3b159d7 100644
--- a/README.md
+++ b/README.md
@@ -745,4 +745,6 @@ The following guidelines indicate when the use of an index should be reconsidere
     ALTER TABLE table_name 
     ADD CONSTRAINT MyUniqueConstraint UNIQUE(column1, column2...);
     
+### ADD CHECK CONSTRAINT
 
+