chains/postmerge1/chain.go

@@ -1,4 +1,4 @@
-// This fixture is the first using Pebble instead of Leveldb.  It was generated by a fixturenet
+// postmerge1 is the first fixture using Pebble instead of Leveldb.  It was generated by a fixturenet
 // running geth 1.14.5 using a "merged from Genesis" configuration, as opposed to the previous
 // fixtures for which the Merge occurred at block 1.
 package postmerge1

chains/premerge1/chain.go

@@ -1,3 +1,4 @@
+// premerge1 is from a Clique-based pre-Merge chain with a single genesis allocation.
 package premerge1
 
 import (

chains/premerge2/chain.go

@@ -1,3 +1,4 @@
+// premerge2 is from an Ethash-based pre-Merge chain.
 package premerge2
 
 import (