diff --git a/src/geant4_hdf5.jl b/src/geant4_hdf5.jl
index e732c29..0d4ce01 100644
--- a/src/geant4_hdf5.jl
+++ b/src/geant4_hdf5.jl
@@ -1,4 +1,4 @@
-# This file is a part of LegendDataTypes.jl, licensed under the MIT License (MIT).
+# This file is a part of LegendHDF5IO.jl, licensed under the MIT License (MIT).
 
 export Geant4HDF5Input
 struct Geant4HDF5Input <: AbstractLegendInput
diff --git a/src/histogram_io.jl b/src/histogram_io.jl
index 25c0a1e..59ab405 100644
--- a/src/histogram_io.jl
+++ b/src/histogram_io.jl
@@ -1,3 +1,5 @@
+# This file is a part of LegendHDF5IO.jl, licensed under the MIT License (MIT).
+
 _range_to_nt(r::AbstractRange) = (
     first = first(r),
     last = last(r),
diff --git a/src/types.jl b/src/types.jl
index 454de4b..9ed1fd3 100644
--- a/src/types.jl
+++ b/src/types.jl
@@ -1,3 +1,5 @@
+# This file is a part of LegendHDF5IO.jl, licensed under the MIT License (MIT).
+
 export LHDataStore, LH5Array
 
 """