Update docs/cdk/how-to/migrate/7-8.md

Author: kmurphypolygon

docs/cdk/how-to/migrate/7-8.md

@@ -4,7 +4,7 @@ This document shows Polygon partners how to migrate an isolated CDK stack.
 
 In order to avoid reorgs and other undesirable scenarios, all L2 transactions must be verified before upgrading a fork. Verification means that all batches are closed, sequenced, and verified on L1.
 
-Follow the steps to verify all batches for upgrading from fork 7 to 8.
+Follow the steps to verify all batches for upgrading.
 
 1. Stop the sequencer.
 2. Enforce the sequencer to stop at a specific `batch_num`.