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

Author: kmurphypolygon

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

@@ -1,7 +1,7 @@
 This document shows Polygon partners how to migrate an isolated  CDK stack from fork 7 to fork 8.
 
 
-## Process to upgrade from fork 7 to 8 for isolated CDK chains
+## Process to upgrade forks for isolated CDK chains
 
 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.