diff --git a/core/blockchain_stats.go b/core/blockchain_stats.go
index 7f84734c1e..8cda061b94 100644
--- a/core/blockchain_stats.go
+++ b/core/blockchain_stats.go
@@ -191,16 +191,27 @@ type slowBlockCodeCacheEntry struct {
 // optional "bal" field of slowBlockLog. It carries timings that are
 // well-defined under parallel execution but don't fit the sequential schema.
 type slowBlockBAL struct {
-	ExecWallMs       float64 `json:"exec_wall_ms"`
-	PostProcessMs    float64 `json:"post_process_ms"`
-	PrefetchMs       float64 `json:"prefetch_ms"`
-	StatePrefetchMs  float64 `json:"state_prefetch_ms"`
-	AccountUpdateMs  float64 `json:"account_update_ms"`
-	StateUpdateMs    float64 `json:"state_update_ms"`
-	StateHashMs      float64 `json:"state_hash_ms"`
-	AccountCommitMs  float64 `json:"account_commit_ms"`
-	StorageCommitMs  float64 `json:"storage_commit_ms"`
-	TrieDBCommitMs   float64 `json:"triedb_commit_ms"`
+	// ExecWallMs is wall-clock parallel transaction execution.
+	ExecWallMs float64 `json:"exec_wall_ms"`
+	// PostProcessMs is post-tx system contracts (withdrawals, consolidations, finalize).
+	PostProcessMs float64 `json:"post_process_ms"`
+	// PrefetchMs is the BAL state prefetcher (alias of state_prefetch_ms).
+	PrefetchMs float64 `json:"prefetch_ms"`
+	// StatePrefetchMs is async state-load time during state-root computation.
+	StatePrefetchMs float64 `json:"state_prefetch_ms"`
+	// AccountUpdateMs is the account trie update phase.
+	AccountUpdateMs float64 `json:"account_update_ms"`
+	// StateUpdateMs is the state trie update phase.
+	StateUpdateMs float64 `json:"state_update_ms"`
+	// StateHashMs is state-root hash computation.
+	StateHashMs float64 `json:"state_hash_ms"`
+	// AccountCommitMs is the account trie commit to disk.
+	AccountCommitMs float64 `json:"account_commit_ms"`
+	// StorageCommitMs is the storage trie commit to disk.
+	StorageCommitMs float64 `json:"storage_commit_ms"`
+	// TrieDBCommitMs is the trie database commit.
+	TrieDBCommitMs float64 `json:"triedb_commit_ms"`
+	// SnapshotCommitMs is the state snapshot commit.
 	SnapshotCommitMs float64 `json:"snapshot_commit_ms"`
 }
 
@@ -270,17 +281,17 @@ func buildSlowBlockLog(s *ExecuteStats, block *types.Block) slowBlockLog {
 	// Populate the parallel-execution extension only for BAL-processed blocks.
 	if m := s.balTransitionStats; m != nil {
 		logEntry.BAL = &slowBlockBAL{
-			ExecWallMs:       durationToMs(s.ExecWall),       // wall-clock parallel transaction execution
-			PostProcessMs:    durationToMs(s.PostProcess),    // post-tx system contracts (withdrawals, consolidations, finalize)
-			PrefetchMs:       durationToMs(s.Prefetch),       // BAL state prefetcher (alias of state_prefetch_ms)
-			StatePrefetchMs:  durationToMs(m.StatePrefetch),  // async state-load time during state-root computation
-			AccountUpdateMs:  durationToMs(m.AccountUpdate),  // account trie update phase
-			StateUpdateMs:    durationToMs(m.StateUpdate),    // state trie update phase
-			StateHashMs:      durationToMs(m.StateHash),      // state-root hash computation
-			AccountCommitMs:  durationToMs(m.AccountCommits), // account trie commit to disk
-			StorageCommitMs:  durationToMs(m.StorageCommits), // storage trie commit to disk
-			TrieDBCommitMs:   durationToMs(m.TrieDBCommits),  // trie database commit
-			SnapshotCommitMs: durationToMs(m.SnapshotCommits), // state snapshot commit
+			ExecWallMs:       durationToMs(s.ExecWall),
+			PostProcessMs:    durationToMs(s.PostProcess),
+			PrefetchMs:       durationToMs(s.Prefetch),
+			StatePrefetchMs:  durationToMs(m.StatePrefetch),
+			AccountUpdateMs:  durationToMs(m.AccountUpdate),
+			StateUpdateMs:    durationToMs(m.StateUpdate),
+			StateHashMs:      durationToMs(m.StateHash),
+			AccountCommitMs:  durationToMs(m.AccountCommits),
+			StorageCommitMs:  durationToMs(m.StorageCommits),
+			TrieDBCommitMs:   durationToMs(m.TrieDBCommits),
+			SnapshotCommitMs: durationToMs(m.SnapshotCommits),
 		}
 	}
 	return logEntry