diff --git a/Doc/library/curses.rst b/Doc/library/curses.rst
index ce52cdb694504c..fb84cf32246879 100644
--- a/Doc/library/curses.rst
+++ b/Doc/library/curses.rst
@@ -772,7 +772,7 @@ Window Objects
 
 .. method:: window.attron(attr)
 
-   Add attribute *attr* from the "background" set applied to all writes to the
+   Add attribute *attr* to the "background" set applied to all writes to the
    current window.
 
 
diff --git a/Modules/_cursesmodule.c b/Modules/_cursesmodule.c
index 706aa8ea72122b..f4e7732b657d4e 100644
--- a/Modules/_cursesmodule.c
+++ b/Modules/_cursesmodule.c
@@ -1139,12 +1139,12 @@ _curses.window.attron
     attr: long
     /
 
-Add attribute attr from the "background" set.
+Add attribute attr to the "background" set.
 [clinic start generated code]*/
 
 static PyObject *
 _curses_window_attron_impl(PyCursesWindowObject *self, long attr)
-/*[clinic end generated code: output=7afea43b237fa870 input=5a88fba7b1524f32]*/
+/*[clinic end generated code: output=7afea43b237fa870 input=b57f824e1bf58326]*/
 {
     return PyCursesCheckERR_ForWin(self, wattron(self->win, (attr_t)attr), "attron");
 }
diff --git a/Modules/clinic/_cursesmodule.c.h b/Modules/clinic/_cursesmodule.c.h
index a898a7e17cf8d1..8172440dc58c9d 100644
--- a/Modules/clinic/_cursesmodule.c.h
+++ b/Modules/clinic/_cursesmodule.c.h
@@ -301,7 +301,7 @@ PyDoc_STRVAR(_curses_window_attron__doc__,
 "attron($self, attr, /)\n"
 "--\n"
 "\n"
-"Add attribute attr from the \"background\" set.");
+"Add attribute attr to the \"background\" set.");
 
 #define _CURSES_WINDOW_ATTRON_METHODDEF    \
     {"attron", (PyCFunction)_curses_window_attron, METH_O, _curses_window_attron__doc__},
@@ -4435,4 +4435,4 @@ _curses_has_extended_color_support(PyObject *module, PyObject *Py_UNUSED(ignored
 #ifndef _CURSES_ASSUME_DEFAULT_COLORS_METHODDEF
     #define _CURSES_ASSUME_DEFAULT_COLORS_METHODDEF
 #endif /* !defined(_CURSES_ASSUME_DEFAULT_COLORS_METHODDEF) */
-/*[clinic end generated code: output=7753612d7613903c input=a9049054013a1b77]*/
+/*[clinic end generated code: output=78252f8805206d95 input=a9049054013a1b77]*/