@vindex  wl-summary-weekday-name-lang
 \e$B=i4|@_Dj$O\e(B @samp{ja}\e$B!#%5%^%j$NMKF|I=<($N8@8l$r;XDj$7$^$9!#\e(B@samp{en} \e$B$J$i\e(B
 \e$B1Q8l!"\e(B@samp{fr} \e$B$J$i%U%i%s%98l!"\e(B@samp{de} \e$B$J$i%I%$%D8l$H$J$j$^$9!#\e(B
+\e$BCM$rJQ99$7$?8e$K$O!"%5%^%j$r\e(B rescan \e$B$7$F2<$5$$!#\e(B
 
 @item wl-summary-fix-timezone
 @vindex wl-summary-fix-timezone
 
 @vindex  wl-summary-weekday-name-lang
 The initial setting is @samp{ja}.  Specify language of the weekday.
 @samp{en} displays English, @samp{fr} displays French, @samp{de}
-displays Deutsch.
+displays Deutsch. You should rescan summary view after changing this value.
 
 @item wl-summary-fix-timezone
 @vindex wl-summary-fix-timezone