diff --git a/mods/bucket/README.txt b/mods/bucket/README.txt
index 45e0ec5..58997b2 100644
--- a/mods/bucket/README.txt
+++ b/mods/bucket/README.txt
@@ -4,9 +4,9 @@ See license.txt for license information.
 
 Authors of source code
 ----------------------
-Kahrl <kahrl@gmx.net> (LGPL 2.1)
-celeron55, Perttu Ahola <celeron55@gmail.com> (LGPL 2.1)
-Various Minetest developers and contributors (LGPL 2.1)
+Kahrl <kahrl@gmx.net> (LGPLv2.1+)
+celeron55, Perttu Ahola <celeron55@gmail.com> (LGPLv2.1+)
+Various Minetest developers and contributors (LGPLv2.1+)
 
 Authors of media (textures)
 ---------------------------
diff --git a/mods/carts/README.txt b/mods/carts/README.txt
index 31ce644..c0be2d7 100644
--- a/mods/carts/README.txt
+++ b/mods/carts/README.txt
@@ -6,7 +6,8 @@ itself is based on (and fully compatible with) the carts mod [2].
 
 The model was originally designed by stujones11 [3] (CC-0).
 
-Cart textures are based on original work from PixelBOX (WTFPL).
+Cart textures are based on original work from PixelBOX by Gambit (permissive
+license).
 
 
 [1] https://github.com/SmallJoker/boost_cart/
diff --git a/mods/default/README.txt b/mods/default/README.txt
index 53035dc..474ef0e 100644
--- a/mods/default/README.txt
+++ b/mods/default/README.txt
@@ -4,11 +4,11 @@ See license.txt for license information.
 
 Authors of source code
 ----------------------
-Originally by celeron55, Perttu Ahola <celeron55@gmail.com> (LGPL 2.1)
-Various Minetest developers and contributors (LGPL 2.1)
+Originally by celeron55, Perttu Ahola <celeron55@gmail.com> (LGPLv2.1+)
+Various Minetest developers and contributors (LGPLv2.1+)
 
 The torch code was derived by sofar from the 'torches' mod by
-BlockMen (LGPL 2.1)
+BlockMen (LGPLv2.1+)
 
 Authors of media (textures, sounds, models and schematics)
 ----------------------------------------------------------
diff --git a/mods/fire/README.txt b/mods/fire/README.txt
index 099da1c..25ba26e 100644
--- a/mods/fire/README.txt
+++ b/mods/fire/README.txt
@@ -4,8 +4,8 @@ See license.txt for license information.
 
 Authors of source code
 ----------------------
-Originally by Perttu Ahola (celeron55) <celeron55@gmail.com> (LGPL 2.1)
-Various Minetest developers and contributors (LGPL 2.1)
+Originally by Perttu Ahola (celeron55) <celeron55@gmail.com> (LGPLv2.1+)
+Various Minetest developers and contributors (LGPLv2.1+)
 
 Authors of media (textures and sounds)
 --------------------------------------
diff --git a/mods/player_api/README.txt b/mods/player_api/README.txt
index 62e37c6..0b3ac02 100644
--- a/mods/player_api/README.txt
+++ b/mods/player_api/README.txt
@@ -7,8 +7,8 @@ Also sets the default model, texture, and player flags.
 
 Authors of source code
 ----------------------
-Originally by celeron55, Perttu Ahola <celeron55@gmail.com> (LGPL 2.1)
-Various Minetest developers and contributors (LGPL 2.1)
+Originally by celeron55, Perttu Ahola <celeron55@gmail.com> (LGPLv2.1+)
+Various Minetest developers and contributors (LGPLv2.1+)
 
 Authors of media (textures, models and sounds)
 ----------------------------------------------
diff --git a/mods/screwdriver/README.txt b/mods/screwdriver/README.txt
index 9d39c58..14c073e 100644
--- a/mods/screwdriver/README.txt
+++ b/mods/screwdriver/README.txt
@@ -4,8 +4,8 @@ See license.txt for license information.
 
 License of source code
 ----------------------
-Originally by RealBadAngel, Maciej Kasatkin (LGPL 2.1)
-Various Minetest developers and contributors (LGPL 2.1)
+Originally by RealBadAngel, Maciej Kasatkin (LGPLv2.1+)
+Various Minetest developers and contributors (LGPLv2.1+)
 
 License of media (textures)
 ---------------------------
diff --git a/mods/stairs/README.txt b/mods/stairs/README.txt
index e411c33..c6b8c33 100644
--- a/mods/stairs/README.txt
+++ b/mods/stairs/README.txt
@@ -4,6 +4,6 @@ See license.txt for license information.
 
 Authors of source code
 ----------------------
-Originally by Kahrl <kahrl@gmx.net> (LGPL 2.1) and
-celeron55, Perttu Ahola <celeron55@gmail.com> (LGPL 2.1)
-Various Minetest developers and contributors (LGPL 2.1)
+Originally by Kahrl <kahrl@gmx.net> (LGPLv2.1+) and
+celeron55, Perttu Ahola <celeron55@gmail.com> (LGPLv2.1+)
+Various Minetest developers and contributors (LGPLv2.1+)
diff --git a/mods/vessels/README.txt b/mods/vessels/README.txt
index 5bb798c..a54e330 100644
--- a/mods/vessels/README.txt
+++ b/mods/vessels/README.txt
@@ -4,9 +4,9 @@ See license.txt for license information.
 
 Authors of source code
 ----------------------
-Originally by Vanessa Ezekowitz (LGPL 2.1)
-Modified by Perttu Ahola <celeron55@gmail.com> (LGPL 2.1)
-Various Minetest developers and contributors (LGPL 2.1)
+Originally by Vanessa Ezekowitz (LGPLv2.1+)
+Modified by Perttu Ahola <celeron55@gmail.com> (LGPLv2.1+)
+Various Minetest developers and contributors (LGPLv2.1+)
 
 Authors of media (textures)
 ---------------------------
diff --git a/mods/walls/README.txt b/mods/walls/README.txt
index 0389174..ba33bd7 100644
--- a/mods/walls/README.txt
+++ b/mods/walls/README.txt
@@ -4,4 +4,4 @@ See license.txt for license information.
 
 Authors of source code
 ----------------------
-Auke Kok <sofar@foo-projects.org> (LGPL 2.1)
+Auke Kok <sofar@foo-projects.org> (LGPLv2.1+)