Add missing brace

doc/org.texi

@@ -8079,7 +8079,7 @@ t  @r{Change TODO state.  This prompts for a single TODO keyword and}
 s  @r{Schedule all items to a new date.  To shift existing schedule dates}
    @r{by a fixed number of days, use something starting with double plus}
    @r{at the prompt, for example @samp{++8d} or @samp{++2w}.}
-S  @r{Reschedule randomly into the coming N days.  N will be prompted for.
+S  @r{Reschedule randomly into the coming N days.  N will be prompted for.}
    @r{With prefix arg (@kbd{C-u B S}), scatter only accross weekdays.}
 d  @r{Set deadline to a specific date.}
 f  @r{Apply a function to marked entries.}