diff --git a/LICENSE b/LICENSE
index 24b34c0..19ca8b1 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2017, Přemysl Janouch <p@janouch.name>
+Copyright (c) 2017, Přemysl Eric Janouch <p@janouch.name>
 
 Permission to use, copy, modify, and/or distribute this software for any
 purpose with or without fee is hereby granted.
diff --git a/cmd/pdf-simple-sign/main.go b/cmd/pdf-simple-sign/main.go
index 7c82786..3257a66 100644
--- a/cmd/pdf-simple-sign/main.go
+++ b/cmd/pdf-simple-sign/main.go
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2018, Přemysl Janouch <p@janouch.name>
+// Copyright (c) 2018, Přemysl Eric Janouch <p@janouch.name>
 //
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted.
diff --git a/pdf-simple-sign.cpp b/pdf-simple-sign.cpp
index a2947dd..818270e 100644
--- a/pdf-simple-sign.cpp
+++ b/pdf-simple-sign.cpp
@@ -2,7 +2,7 @@
 //
 // pdf-simple-sign: simple PDF signer
 //
-// Copyright (c) 2017, Přemysl Janouch <p@janouch.name>
+// Copyright (c) 2017, Přemysl Eric Janouch <p@janouch.name>
 //
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted.
diff --git a/pdf/pdf.go b/pdf/pdf.go
index 16ea64a..ded8747 100644
--- a/pdf/pdf.go
+++ b/pdf/pdf.go
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2018, Přemysl Janouch <p@janouch.name>
+// Copyright (c) 2018, Přemysl Eric Janouch <p@janouch.name>
 //
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted.