Issue #19795: Improved markup of True/False constants.
diff --git a/Doc/library/turtle.rst b/Doc/library/turtle.rst
index c9bdfea..f04a07a 100644
--- a/Doc/library/turtle.rst
+++ b/Doc/library/turtle.rst
@@ -1049,8 +1049,8 @@
 
    Write text - the string representation of *arg* - at the current turtle
    position according to *align* ("left", "center" or right") and with the given
-   font.  If *move* is True, the pen is moved to the bottom-right corner of the
-   text.  By default, *move* is False.
+   font.  If *move* is true, the pen is moved to the bottom-right corner of the
+   text.  By default, *move* is ``False``.
 
    >>> turtle.write("Home = ", True, align="center")
    >>> turtle.write((0,0), True)
@@ -1086,7 +1086,7 @@
 
 .. function:: isvisible()
 
-   Return True if the Turtle is shown, False if it's hidden.
+   Return ``True`` if the Turtle is shown, ``False`` if it's hidden.
 
    >>> turtle.hideturtle()
    >>> turtle.isvisible()