fix lint

specs/derivation.md

@@ -650,8 +650,8 @@ execution engine to be converted into a proper L2 block, which will become both
 If a payload attributes created from a batch cannot be inserted into the chain because of a validation error (i.e. there
 was an invalid transaction or state transition in the block) the batch should be dropped & the safe head should not be
 advanced. The engine queue will attempt to use the next batch for that timestamp from the batch queue. If no valid batch
-is found, the rollup node will create a deposit only batch which should always pass validation because deposits are always
-valid.
+is found, the rollup node will create a deposit only batch which should always pass validation because deposits are
+always valid.
 
 Interaction with the execution engine via the execution engine API is detailed in the [Communication with the Execution
 Engine][exec-engine-comm] section.