Update README.md

README.md

@@ -261,10 +261,11 @@ Following are some of the most commonly used constraints available in SQL −
     SELECT column1, column2....columnN
     FROM   table_name
     WHERE  CONDITION-1 {AND|OR} CONDITION-2;
-SQL IN Clause
-SELECT column1, column2....columnN
-FROM   table_name
-WHERE  column_name IN (val-1, val-2,...val-N);
+    
+### SQL IN Clause
+    SELECT column1, column2....columnN
+    FROM   table_name
+    WHERE  column_name IN (val-1, val-2,...val-N);
 SQL BETWEEN Clause
 SELECT column1, column2....columnN
 FROM   table_name