diff --git a/packages/cli/README.md b/packages/cli/README.md
index 34334629..79232918 100644
--- a/packages/cli/README.md
+++ b/packages/cli/README.md
@@ -259,7 +259,7 @@ play with contracts.
 
 ## Diving into Contracts
 
-Check out the [mask documentation](./MASK.md) to view how to use some custom
+Check out the [mask documentation](https://github.com/cosmos/cosmjs/blob/main/packages/cli/MASK.md) to view how to use some custom
 helpers to upload code and use non-trivial contracts with proper types.
 
 ## License