diff --git a/unit02_symmetric/lab/possible_ans.md b/unit02_symmetric/lab/possible_ans.md
index 4bb6f29..8ae85b0 100644
--- a/unit02_symmetric/lab/possible_ans.md
+++ b/unit02_symmetric/lab/possible_ans.md
@@ -486,7 +486,7 @@ plaintext = Padding.removePadding(plaintext.decode(),blocksize=Padding.AES_block
 
 print ("  decrypt: "+plaintext)
 ```
-A sample is [here])(https://repl.it/@billbuchanan/ch02ans06#main.py).
+A sample is [here](https://repl.it/@billbuchanan/ch02ans06#main.py).
 
 A sample run gives:
 <pre>