diff --git a/README.md b/README.md
index e9d308f..2900bd6 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 | Natrual Frequency 1 | Natural Frequency 2 | 
 | 2sqrt(5) | 0.5(sqrt(5*(sqrt(129)-9))) | 
 
-![first work] (firstwork.jpg)
+![first work] (first work.png)
 ## 6 ##
 | # of segments | largest | smallest | # of eigenvalues |
 | --- | --- | --- | --- |