diff --git a/commands.go b/commands.go
index f347e0f..f59a67b 100644
--- a/commands.go
+++ b/commands.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/community.go b/community.go
index 6ed97ee..72150e8 100644
--- a/community.go
+++ b/community.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/config/bridge.go b/config/bridge.go
index f9c335e..228d141 100644
--- a/config/bridge.go
+++ b/config/bridge.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/config/config.go b/config/config.go
index c090521..755ecd9 100644
--- a/config/config.go
+++ b/config/config.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/config/registration.go b/config/registration.go
index c32716c..f6a1505 100644
--- a/config/registration.go
+++ b/config/registration.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/crypto.go b/crypto.go
index 2a0f943..3b49e93 100644
--- a/crypto.go
+++ b/crypto.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/custompuppet.go b/custompuppet.go
index 5b6a286..1ce8ab5 100644
--- a/custompuppet.go
+++ b/custompuppet.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/database/cryptostore.go b/database/cryptostore.go
index 2de88f5..9e2a876 100644
--- a/database/cryptostore.go
+++ b/database/cryptostore.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/database/database.go b/database/database.go
index f652997..5e00081 100644
--- a/database/database.go
+++ b/database/database.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/database/message.go b/database/message.go
index d8ec25b..19c10cb 100644
--- a/database/message.go
+++ b/database/message.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/database/portal.go b/database/portal.go
index dcaf13b..8f5b4ce 100644
--- a/database/portal.go
+++ b/database/portal.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/database/puppet.go b/database/puppet.go
index 7994b1b..877fdc7 100644
--- a/database/puppet.go
+++ b/database/puppet.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/database/statestore.go b/database/statestore.go
index 0b50565..844c4a2 100644
--- a/database/statestore.go
+++ b/database/statestore.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/database/user.go b/database/user.go
index 8fdd95f..946c6ba 100644
--- a/database/user.go
+++ b/database/user.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/formatting.go b/formatting.go
index dbbf23c..f878fb7 100644
--- a/formatting.go
+++ b/formatting.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/main.go b/main.go
index 086a2e9..2f03d30 100644
--- a/main.go
+++ b/main.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/matrix.go b/matrix.go
index be20b14..d0fa160 100644
--- a/matrix.go
+++ b/matrix.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/metrics.go b/metrics.go
index e741ce2..a8b648e 100644
--- a/metrics.go
+++ b/metrics.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/portal.go b/portal.go
index 0d72d58..323469d 100644
--- a/portal.go
+++ b/portal.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/provisioning.go b/provisioning.go
index 1523e00..a86c482 100644
--- a/provisioning.go
+++ b/provisioning.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/puppet.go b/puppet.go
index 1376a79..5055108 100644
--- a/puppet.go
+++ b/puppet.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/types/types.go b/types/types.go
index f5d264e..5d02085 100644
--- a/types/types.go
+++ b/types/types.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/user.go b/user.go
index 6ddc22e..cb54b0d 100644
--- a/user.go
+++ b/user.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2020 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/whatsapp-ext/call.go b/whatsapp-ext/call.go
index ce6d361..99791fb 100644
--- a/whatsapp-ext/call.go
+++ b/whatsapp-ext/call.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/whatsapp-ext/chat.go b/whatsapp-ext/chat.go
index f444906..772bcaf 100644
--- a/whatsapp-ext/chat.go
+++ b/whatsapp-ext/chat.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/whatsapp-ext/cmd.go b/whatsapp-ext/cmd.go
index 185a1c5..7815c19 100644
--- a/whatsapp-ext/cmd.go
+++ b/whatsapp-ext/cmd.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/whatsapp-ext/conn.go b/whatsapp-ext/conn.go
index 12162b8..161cb25 100644
--- a/whatsapp-ext/conn.go
+++ b/whatsapp-ext/conn.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/whatsapp-ext/group.go b/whatsapp-ext/group.go
index e067377..1ea6cb0 100644
--- a/whatsapp-ext/group.go
+++ b/whatsapp-ext/group.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/whatsapp-ext/jsonmessage.go b/whatsapp-ext/jsonmessage.go
index d7340e1..107ea7a 100644
--- a/whatsapp-ext/jsonmessage.go
+++ b/whatsapp-ext/jsonmessage.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/whatsapp-ext/msginfo.go b/whatsapp-ext/msginfo.go
index d6588ab..fe2e6c4 100644
--- a/whatsapp-ext/msginfo.go
+++ b/whatsapp-ext/msginfo.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/whatsapp-ext/presence.go b/whatsapp-ext/presence.go
index 16ec982..9645ce6 100644
--- a/whatsapp-ext/presence.go
+++ b/whatsapp-ext/presence.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/whatsapp-ext/props.go b/whatsapp-ext/props.go
index 76d99f5..8d8ca5f 100644
--- a/whatsapp-ext/props.go
+++ b/whatsapp-ext/props.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/whatsapp-ext/protomessage.go b/whatsapp-ext/protomessage.go
index 620ee46..5671000 100644
--- a/whatsapp-ext/protomessage.go
+++ b/whatsapp-ext/protomessage.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/whatsapp-ext/stream.go b/whatsapp-ext/stream.go
index 9f8fd8b..e521063 100644
--- a/whatsapp-ext/stream.go
+++ b/whatsapp-ext/stream.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
diff --git a/whatsapp-ext/whatsapp.go b/whatsapp-ext/whatsapp.go
index f47c62e..3ae6b64 100644
--- a/whatsapp-ext/whatsapp.go
+++ b/whatsapp-ext/whatsapp.go
@@ -1,5 +1,5 @@
-// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
-// Copyright (C) 2019 Tulir Asokan
+// mautrix-groupme - A Matrix-GroupMe puppeting bridge.
+// Copyright (C) 2022 Sumner Evans, Karmanyaah Malhotra
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by