diff --git a/README.md b/README.md
index 6355ac0..36ebf0d 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,4 @@
 
 * This takes in information of n students and then save it to a text file.
 * It could also retrieve the data from the text when required.
+* sources(so one can understand from where the things are coming):