diff --git a/lib/layouts/ruby.module b/lib/layouts/ruby.module
index f4239b47ed..502e2488ef 100644
--- a/lib/layouts/ruby.module
+++ b/lib/layouts/ruby.module
@@ -2,7 +2,7 @@
 #\DeclareCategory{Annotation & Revision}
 #DescriptionBegin
 #Defines an inset to typeset reading aids (ruby, furigana) to Chinese
-#characters. Uses the "okumakro", "luatexja-ruby", or "ruby" package
+#characters. Uses the 'okumakro', 'luatexja-ruby', or 'ruby' package
 #(depending on the TeX engine) or a fallback definition.
 #DescriptionEnd
 #Requires