diff --git a/specs/merge/fork-choice.md b/specs/merge/fork-choice.md
index 59dc8bad2..b2e43d94b 100644
--- a/specs/merge/fork-choice.md
+++ b/specs/merge/fork-choice.md
@@ -98,7 +98,7 @@ Let `get_pow_block(block_hash: Hash32) -> PowBlock` be the function that given t
 
 ```python
 def get_transition_store(anchor_pow_block: PowBlock):
-    transition_total_difficulty = pow_block.total_difficulty + TRANSITION_TOTAL_DIFFICULTY_OFFSET
+    transition_total_difficulty = anchor_pow_block.total_difficulty + TRANSITION_TOTAL_DIFFICULTY_OFFSET
     return TransitionStore(transition_total_difficulty=transition_total_difficulty)
 ```
 
diff --git a/specs/merge/validator.md b/specs/merge/validator.md
index 5b82030e0..89b7a3c94 100644
--- a/specs/merge/validator.md
+++ b/specs/merge/validator.md
@@ -70,7 +70,9 @@ Let `get_pow_chain_head() -> PowBlock` be the function that returns the head of
 * Set `block.body.execution_payload = get_execution_payload(state, transition_store, execution_engine)` where:
 
 ```python
-def get_execution_payload(state: BeaconState, transition_store: TransitionStore, execution_engine: ExecutionEngine) -> ExecutionPayload:
+def get_execution_payload(state: BeaconState,
+                          transition_store: TransitionStore,
+                          execution_engine: ExecutionEngine) -> ExecutionPayload:
     if not is_transition_completed(state):
         pow_block = get_pow_chain_head()
         if not is_valid_transition_block(transition_store, pow_block):