diff --git a/lh-logo/README.md b/lh-logo/README.md
index bf6f018..ef0b157 100644
--- a/lh-logo/README.md
+++ b/lh-logo/README.md
@@ -34,7 +34,7 @@ In addition, the style defines the two colors `lhOrange`, `lhDarkGray`, and `lhL
 
 ## License
 The LaTeX style is dual-licensed under a 2-clause BSD-style license and/or 
-the LPPL version 1 or any later version. 
+the LPPL version 1.3c or (at your opinion) any later version. 
 
 Note that the logos are licensed under the more restrictive 
 [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/). You are free to 
diff --git a/lh-logo/lh-logo.sty b/lh-logo/lh-logo.sty
index 917896f..3f653ba 100644
--- a/lh-logo/lh-logo.sty
+++ b/lh-logo/lh-logo.sty
@@ -4,9 +4,11 @@
 %%   This program can be redistributed and/or modified under the terms
 %%   of the LaTeX Project Public License Distributed from CTAN
 %%   archives in directory macros/latex/base/lppl.txt; either
-%%   version 1 of the License, or any later version.
+%%   version 1.3c of the License, or (at your opinion) any later version.
 %%   OR
 %%   The 2-clause BSD-style license.
+%%
+%%   SPDX-License-Identifier: LPPL-1.3c+ OR BSD-2-Clause
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{lh-logo}
    [2016/09/10 v0.0 The LogicalHacking Logo.]