Add Keywords field in the .desktop file
Index: b/lib/lyx.desktop.in
===================================================================
--- a/lib/lyx.desktop.in
+++ b/lib/lyx.desktop.in
@@ -4,6 +4,7 @@
 Name=LyX
 GenericName=Document Processor
 Comment=High level LaTeX frontend
+Keywords=WYSIWYG;WYSIWYM;TeX;LaTeX;GUI;frontend;editor;
 Exec=lyx@program_suffix@ %F
 TryExec=lyx@program_suffix@
 Icon=lyx@program_suffix@
