Fix typos in multiple `.rst` files (#1668)

diff --git a/Doc/library/turtle.rst b/Doc/library/turtle.rst
index 6f2626c..041b651 100644
--- a/Doc/library/turtle.rst
+++ b/Doc/library/turtle.rst
@@ -1796,7 +1796,7 @@
    :param prompt: string
 
    Pop up a dialog window for input of a string. Parameter title is
-   the title of the dialog window, propmt is a text mostly describing
+   the title of the dialog window, prompt is a text mostly describing
    what information to input.
    Return the string input. If the dialog is canceled, return ``None``. ::