diff --git a/core/rawdb/database.go b/core/rawdb/database.go
index 356abbf8394c..4e3b18eead05 100644
--- a/core/rawdb/database.go
+++ b/core/rawdb/database.go
@@ -533,6 +533,9 @@ func InspectDatabase(db ethdb.Database, keyPrefix, keyStart []byte) error {
 		case IsStorageTrieNode(key):
 			storageTries.Add(size)
 		case bytes.HasPrefix(key, CodePrefix) && len(key) == len(CodePrefix)+common.HashLength:
+			// This case can conflict, although unlikely, with the following cases below:
+			// - bytes.HasPrefix(key, ChtIndexTablePrefix): a key "c"+hash could start with "chtIndexV2-"
+			// - bytes.HasPrefix(key, ChtPrefix): a key "c"+hash could start with "chtRootV2-"
 			codes.Add(size)
 		case bytes.HasPrefix(key, txLookupPrefix) && len(key) == (len(txLookupPrefix)+common.HashLength):
 			txLookups.Add(size)