Update remaining license headers to explicitly say GPLv2+

Also change ReadMe badge.

3 files changed, 3 insertions, 3 deletions

diff --git a/DateMeter.h b/DateMeter.h
index a6ce47a7..ecbfa997 100644
--- a/DateMeter.h
+++ b/DateMeter.h
@@ -3,7 +3,7 @@
 /*
 htop - DateMeter.h
 (C) 2004-2011 Hisham H. Muhammad
-Released under the GNU GPL, see the COPYING file
+Released under the GNU GPLv2+, see the COPYING file
 in the source distribution for its full text.
 */
 
diff --git a/DateTimeMeter.h b/DateTimeMeter.h
index 04cc3273..5196dd34 100644
--- a/DateTimeMeter.h
+++ b/DateTimeMeter.h
@@ -3,7 +3,7 @@
 /*
 htop - DateTimeMeter.h
 (C) 2004-2011 Hisham H. Muhammad
-Released under the GNU GPL, see the COPYING file
+Released under the GNU GPLv2+, see the COPYING file
 in the source distribution for its full text.
 */
 
diff --git a/README b/README
index e5c66989..bb0cbe7e 100644
--- a/README
+++ b/README
@@ -6,7 +6,7 @@
 [![IRC #htop](https://img.shields.io/badge/IRC-htop-blue.svg)](https://web.libera.chat/#htop)
 [![GitHub Release](https://img.shields.io/github/release/htop-dev/htop.svg)](https://github.com/htop-dev/htop/releases/latest)
 [![Packaging status](https://repology.org/badge/tiny-repos/htop.svg)](https://repology.org/project/htop/versions)
-[![License: GPL v2+](https://img.shields.io/badge/License-GPL%20v2-blue.svg)](COPYING?raw=true)
+[![License: GPL v2+](https://img.shields.io/badge/License-GPL%20v2+-blue.svg)](COPYING?raw=true)
 
 ![Screenshot of htop](docs/images/screenshot.png?raw=true)