* doc/emacs/display.texi (Displaying Boundaries): Document
display-fill-column-indicator-character, not
display-fill-column-indicator-char.
Any other value disables the indicator. The default value is @code{t}.
-@item display-fill-column-indicator-char
-@vindex display-fill-column-indicator-char
+@item display-fill-column-indicator-character
+@vindex display-fill-column-indicator-character
Specifies the character used for the indicator. This character can be
any valid char including unicode ones if the actual font supports
them.