Update README.md

docs/source/README.md

diff --git a/docs/source/README.md b/docs/source/README.md
index 9bbac4a..bf669fb 100644
--- a/docs/source/README.md
+++ b/docs/source/README.md
@@ -147,7 +147,7 @@
 
 ```bash
 export OPENLANE_ROOT=<openlane-installation-path>
-export OPENLANE_TAG=v0.12
+export OPENLANE_TAG=mpw-two-a
 make openlane
 ```
 
@@ -170,7 +170,7 @@
 To reproduce hardening this project, run the following: 
 
 ```bash
-export OPENLANE_TAG=v0.12
+export OPENLANE_TAG=mpw-two-a
 # Run openlane to harden user_proj_example
 make user_proj_example
 # Run openlane to harden user_project_wrapper