diff --git a/goodchain/readme.md b/goodchain/readme.md
index c603eff..309c04c 100644
--- a/goodchain/readme.md
+++ b/goodchain/readme.md
@@ -1,5 +1,5 @@
 # GOODCHAIN
-This is the final assesment of the blockchain minor of period 1. [EXPLANATION FILE](https://hrnl-my.sharepoint.com/:w:/g/personal/bashb_hr_nl/Ed7VWyB5vbtPmCgeKl1g_S4BbkmE7CPrS1sigEfSAOdmDw?e=0fDOJQ)
+This is the final assesment of the blockchain minor of period 2. [EXPLANATION FILE](https://hrnl-my.sharepoint.com/:w:/g/personal/bashb_hr_nl/EQppQlT3OUdHq4MCoYNah24BS-oTCddDFQm0xsJf9yMYlA?e=2XczX2)
 
 # INSTALL
 1: Install all the packages