diff --git a/proposals/stage-3/CPC_CHARTER/README.md b/proposals/stage-3/CPC_CHARTER/README.md
index f5bf906fa..930471a35 100644
--- a/proposals/stage-3/CPC_CHARTER/README.md
+++ b/proposals/stage-3/CPC_CHARTER/README.md
@@ -36,4 +36,4 @@ foundation.
 
 ## Archive of initial charter
 
-[./CPC-CHARTER](./CPC-CHARTER)
+[./CPC-CHARTER](./CPC-CHARTER.md)