diff --git a/app/models/concerns/sync_lock.rb b/app/models/concerns/sync_lock.rb
index cff20ffe1a5..2440366a6ad 100644
--- a/app/models/concerns/sync_lock.rb
+++ b/app/models/concerns/sync_lock.rb
@@ -14,7 +14,7 @@ def hlr_sync_lock
 
       begin
         # create the sync lock with a key, value pair only IF it doesn't already exist
-        # and give it an expiration time upon creation
+        # and give it an expiration time upon creation.
         sync_lock_acquired = redis.set(lock_key, "lock is set", nx: true, ex: LOCK_TIMEOUT.to_i)
 
         fail Caseflow::Error::SyncLockFailed, message: Time.zone.now.to_s unless sync_lock_acquired