* src/font.c (syms_of_font) <font-log>: Doc fix.

src/font.c

@@ -5270,10 +5270,10 @@ See `font-weight-table' for the format of the vector. */);
   ASET (font_style_table, 2, Vfont_width_table);
 
   DEFVAR_LISP ("font-log", Vfont_log, doc: /*
-Logging list of font related actions and results.
-The value t means to suppress the logging.
-The initial value is set to nil if the environment variable
-EMACS_FONT_LOG is set.  Otherwise, it is set to t.  */);
+A list that logs font-related actions and results, for debugging.
+The default value is t, which means to suppress logging.
+If the environment variable EMACS_FONT_LOG is set at startup,
+this defaults to nil.  */);
   Vfont_log = Qnil;
 
 #ifdef HAVE_WINDOW_SYSTEM