Specify which Gsetting font names are used in the manual

* doc/emacs/frames.texi (Fonts): Explicitly say what Gsettings
names are used (bug#19568).

1 files changed, 4 insertions, 1 deletions

diff --git a/doc/emacs/frames.texi b/doc/emacs/frames.texi
index e1a4e64a7d4..ac2ab5c4b72 100644
--- a/doc/emacs/frames.texi
+++ b/doc/emacs/frames.texi
@@ -614,7 +614,10 @@ If you are running Emacs on the GNOME desktop, you can tell Emacs to
 use the default system font by setting the variable
 @code{font-use-system-font} to @code{t} (the default is @code{nil}).
 For this to work, Emacs must have been compiled with support for
-Gsettings (or the older Gconf).
+Gsettings (or the older Gconf).  (To be specific, the Gsettings
+configuration names used are
+@samp{/desktop/gnome/interface/monospace_font_name} and
+@samp{/desktop/gnome/interface/font_name}.)
 
 @item
 Use the command line option @samp{-fn} (or @samp{--font}).  @xref{Font