diff --git a/parso/pgen2/parse.py b/parso/pgen2/parse.py
index 8669634..a23db82 100644
--- a/parso/pgen2/parse.py
+++ b/parso/pgen2/parse.py
@@ -2,7 +2,7 @@
 # Licensed to PSF under a Contributor Agreement.
 
 # Modifications:
-# Copyright 2014 David Halter. Integration into Jedi.
+# Copyright 2014-2018 David Halter.
 # Modifications are dual-licensed: MIT and PSF.
 
 """
diff --git a/parso/pgen2/pgen.py b/parso/pgen2/pgen.py
index cbc3e8d..ca6bb0d 100644
--- a/parso/pgen2/pgen.py
+++ b/parso/pgen2/pgen.py
@@ -2,7 +2,7 @@
 # Licensed to PSF under a Contributor Agreement.
 
 # Modifications:
-# Copyright 2014 David Halter. Integration into Jedi.
+# Copyright 2014-2018 David Halter.
 # Modifications are dual-licensed: MIT and PSF.
 
 from parso.pgen2.grammar import Grammar