diff --git a/main.go b/main.go
index 93aa6b8..a09bc6c 100644
--- a/main.go
+++ b/main.go
@@ -46,7 +46,7 @@ func main() {
 	examplerange.Demo3()
 
 	number := 20
-	pointers.Demo1(number)
+	pointers.Demo1(&number)
 	fmt.Println("Number in Main go file", number)
-	
+
 }
diff --git a/pointers/demo1.go b/pointers/demo1.go
index 9ff1c32..43ec5a4 100644
--- a/pointers/demo1.go
+++ b/pointers/demo1.go
@@ -2,7 +2,7 @@ package pointers
 
 import "fmt"
 
-func Demo1(number int)  {
-	number = number + 1
-	fmt.Println("Number in Demo file", number)
+func Demo1(number *int)  {
+	*number = *number + 1
+	fmt.Println("Number in Demo file", *number)
 }
\ No newline at end of file