diff --git a/tools/lammps-gui/lammps-gui.appdata.xml b/tools/lammps-gui/lammps-gui.appdata.xml
index 1366b0262b..03e85237e4 100644
--- a/tools/lammps-gui/lammps-gui.appdata.xml
+++ b/tools/lammps-gui/lammps-gui.appdata.xml
@@ -57,7 +57,7 @@
   <releases>
     <release version="1.6.14" timestamp="1747828753">
       <description>
-        ...
+        Must set en_US.UTF-8 locale on macOS since it lacks support for C.UTF-8
       </description>
     </release>
     <release version="1.6.13" timestamp="1743734509">