diff --git a/raft_consensus/consensus_module.nim b/raft_consensus/consensus_module.nim
index c82a1a7..c4e0a10 100644
--- a/raft_consensus/consensus_module.nim
+++ b/raft_consensus/consensus_module.nim
@@ -5,4 +5,4 @@
 #  * MIT license ([LICENSE-MIT](LICENSE-MIT))
 # at your option.
 # This file may not be copied, modified, or distributed except according to
-# those terms.
\ No newline at end of file
+# those terms.
diff --git a/raft_consensus/log_compaction_module.nim b/raft_consensus/log_compaction_module.nim
index c82a1a7..c4e0a10 100644
--- a/raft_consensus/log_compaction_module.nim
+++ b/raft_consensus/log_compaction_module.nim
@@ -5,4 +5,4 @@
 #  * MIT license ([LICENSE-MIT](LICENSE-MIT))
 # at your option.
 # This file may not be copied, modified, or distributed except according to
-# those terms.
\ No newline at end of file
+# those terms.
diff --git a/raft_consensus/membersip_change_module.nim b/raft_consensus/membersip_change_module.nim
index c82a1a7..c4e0a10 100644
--- a/raft_consensus/membersip_change_module.nim
+++ b/raft_consensus/membersip_change_module.nim
@@ -5,4 +5,4 @@
 #  * MIT license ([LICENSE-MIT](LICENSE-MIT))
 # at your option.
 # This file may not be copied, modified, or distributed except according to
-# those terms.
\ No newline at end of file
+# those terms.
diff --git a/raft_consensus/raft_consensus_api.nim b/raft_consensus/raft_consensus_api.nim
index 9b08028..93a864a 100644
--- a/raft_consensus/raft_consensus_api.nim
+++ b/raft_consensus/raft_consensus_api.nim
@@ -6,6 +6,7 @@
 # at your option.
 # This file may not be copied, modified, or distributed except according to
 # those terms.
+
 import types
 
 # RAFT Node Public API procedures / functions
@@ -18,7 +19,6 @@ proc RAFTNodeLoad*(state_machine: RAFTNodeStateMachine, log: RAFTNodeLog,
                   persistent_storage: RAFTNodePersistentStorage, msg_send_callback: RAFTMessageSendCallback): RAFTNode =
     discard
 
-
 func RAFTNodeIdGet*(node: RAFTNode): RAFTNodeId =                   # Get RAFT Node ID
     discard
 
diff --git a/raft_consensus/types.nim b/raft_consensus/types.nim
index 233f79a..c06f8ca 100644
--- a/raft_consensus/types.nim
+++ b/raft_consensus/types.nim
@@ -1,3 +1,12 @@
+# nim-raft-consesnsus
+# Copyright (c) 2023 Status Research & Development GmbH
+# Licensed under either of
+#  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
+#  * MIT license ([LICENSE-MIT](LICENSE-MIT))
+# at your option.
+# This file may not be copied, modified, or distributed except according to
+# those terms.
+
 # RAFT Node Public Types.
 # I guess that at some point these can be moved to a separate file called raft_consensus_types.nim for example
 import fsm