diff --git a/eth2/state_processing/src/per_epoch_processing/apply_rewards.rs b/eth2/state_processing/src/per_epoch_processing/apply_rewards.rs
index 2c45dd8220..bc02b67a33 100644
--- a/eth2/state_processing/src/per_epoch_processing/apply_rewards.rs
+++ b/eth2/state_processing/src/per_epoch_processing/apply_rewards.rs
@@ -230,7 +230,7 @@ fn get_attestation_delta(
 
 /// Calculate the deltas based upon the winning roots for attestations during the previous epoch.
 ///
-/// Spec v0.5.1
+/// Spec v0.6.1
 fn get_crosslink_deltas(
     deltas: &mut Vec<Delta>,
     state: &BeaconState,
@@ -243,7 +243,7 @@ fn get_crosslink_deltas(
         let base_reward = get_base_reward(
             state,
             index,
-            validator_statuses.total_balances.previous_epoch,
+            validator_statuses.total_balances.current_epoch,
             spec,
         )?;
 
diff --git a/eth2/state_processing/src/per_epoch_processing/validator_statuses.rs b/eth2/state_processing/src/per_epoch_processing/validator_statuses.rs
index e57c1afc3b..524a0db09d 100644
--- a/eth2/state_processing/src/per_epoch_processing/validator_statuses.rs
+++ b/eth2/state_processing/src/per_epoch_processing/validator_statuses.rs
@@ -283,7 +283,7 @@ impl ValidatorStatuses {
     /// Update the `statuses` for each validator based upon whether or not they attested to the
     /// "winning" shard block root for the previous epoch.
     ///
-    /// Spec v0.5.1
+    /// Spec v0.6.1
     pub fn process_winning_roots(
         &mut self,
         state: &BeaconState,