diff --git a/src/Magnum/GL/Test/AbstractShaderProgramGLTest.cpp b/src/Magnum/GL/Test/AbstractShaderProgramGLTest.cpp
index 54cdcbc22..b70b161c2 100644
--- a/src/Magnum/GL/Test/AbstractShaderProgramGLTest.cpp
+++ b/src/Magnum/GL/Test/AbstractShaderProgramGLTest.cpp
@@ -3,6 +3,7 @@
 
     Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019,
                 2020, 2021, 2022 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2022 Vladislav Oleshko <vladislav.oleshko@gmail.com>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),
@@ -27,7 +28,7 @@
 #include <Corrade/Containers/Iterable.h>
 #include <Corrade/Containers/Reference.h>
 #include <Corrade/Containers/StridedArrayView.h>
-#include <Corrade/Containers/StringStl.h> /** @todo remove when Shader is <string>-free */
+#include <Corrade/Containers/StringStl.h> /** @todo remove once Debug is stream-free */
 #include <Corrade/TestSuite/Compare/Container.h>
 #include <Corrade/TestSuite/Compare/String.h>
 #include <Corrade/Utility/DebugStl.h>
diff --git a/src/Magnum/GL/Test/ShaderGLTest.cpp b/src/Magnum/GL/Test/ShaderGLTest.cpp
index d0fba6dc9..3e31e74b9 100644
--- a/src/Magnum/GL/Test/ShaderGLTest.cpp
+++ b/src/Magnum/GL/Test/ShaderGLTest.cpp
@@ -3,6 +3,7 @@
 
     Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019,
                 2020, 2021, 2022 Vladimír Vondruš <mosra@centrum.cz>
+    Copyright © 2022 Vladislav Oleshko <vladislav.oleshko@gmail.com>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),