diff --git a/main.go b/main.go
index e099348..152a459 100644
--- a/main.go
+++ b/main.go
@@ -70,9 +70,9 @@ func main() {
 
 	file_lines := strings.Split(file_content, "\n")
 
-	for _, value := range file_lines {
+	for index, value := range file_lines {
 		if is_heading(value) {
-			headings = append(headings, heading{value, 0, 0})
+			headings = append(headings, heading{value, 0, (index + 1)})
 		}
 	}