3 files changed, 11 insertions, 12 deletions

diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index 39f182995c0..3bf9f3bd2ac 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -8727,7 +8727,7 @@ the single-line tty menu separator.
 
 The glyphs for a double-line border, in the order of vertical,
 horizontal, down-right edge, down-left edge, up-right, and up-left edge
-glyphs. The horizontal glyph is also used for the single-line tty menu
+glyphs.  The horizontal glyph is also used for the single-line TTY menu
 separator, the other glyphs are not yet used.
 @end table
 
@@ -8766,7 +8766,7 @@ Valid slot name symbols are @code{truncation}, @code{wrap},
 @code{box-down-right}, @code{box-down-left}, @code{box-up-right},
 @code{box-up-left}, @code{box-double-vertical},
 @code{box-double-horizontal}, @code{box-double-down-right},
-@code{box-double-down-left}, @code{box-double-down-left},
+@code{box-double-down-left}, @code{box-double-up-right},
 @code{box-double-up-left}.
 
 @defun describe-display-table display-table
diff --git a/etc/NEWS b/etc/NEWS
index 1bea343d079..249fcafd5cd 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -48,16 +48,15 @@ init file.
 * Changes in Emacs 31.1
 
 +++
-** standard-display-table now has more extra slots
-
-standard-display-table has been extended to allow specifying glyphs that
-are used for borders around child frames and menu separators on TTY
+** 'standard-display-table' now has more extra slots.
+'standard-display-table' has been extended to allow specifying glyphs
+that are used for borders around child frames and menu separators on TTY
 frames.
 
-Call function standard-display-unicode-special-glyphs to set up the
-standard-display-table's extra slots with Unicode characters.  Please
-see the documentation of that function to see which slots of the display
-table it changes.
+Call the function 'standard-display-unicode-special-glyphs' to set up
+the 'standard-display-table's extra slots with Unicode characters.
+Please see the documentation of that function to see which slots of the
+display table it changes.
 
 ** Child frames are now supported on TTY frames.
 This supports use-cases like Posframe, Corfu, and child frames acting
diff --git a/lisp/disp-table.el b/lisp/disp-table.el
index 738887d0d00..afce22deb85 100644
--- a/lisp/disp-table.el
+++ b/lisp/disp-table.el
@@ -70,7 +70,7 @@ Valid symbols are `truncation', `wrap', `escape', `control',
 `box-horizontal', `box-down-right', `box-down-left', `box-up-right',
 `box-up-left',`box-double-vertical', `box-double-horizontal',
 `box-double-down-right', `box-double-down-left',
-`box-double-up-left', `box-double-up-left',"
+`box-double-up-right', `box-double-up-left',"
   (let ((slot-number
          (if (numberp slot) slot
            (or (get slot 'display-table-slot)
@@ -86,7 +86,7 @@ Valid symbols are `truncation', `wrap', `escape', `control',
 `box-horizontal', `box-down-right', `box-down-left', `box-up-right',
 `box-up-left',`box-double-vertical', `box-double-horizontal',
 `box-double-down-right', `box-double-down-left',
-`box-double-up-left', `box-double-up-left',"
+`box-double-up-right', `box-double-up-left',"
   (let ((slot-number
          (if (numberp slot) slot
            (or (get slot 'display-table-slot)