diff --git a/contrib/ncurses/man/curs_threads.3x b/contrib/ncurses/man/curs_threads.3x
index 17dabdb7b40a..867c4e428155 100644
--- a/contrib/ncurses/man/curs_threads.3x
+++ b/contrib/ncurses/man/curs_threads.3x
@@ -45,9 +45,9 @@
 .br
 \fBint set_tabsize(int size);\fR
 .br
-\fBint use_screen(SCREEN *scr, NCURSES_WINDOW_CB func, void *data);\fR
+\fBint use_screen(SCREEN *scr, NCURSES_SCREEN_CB func, void *data);\fR
 .br
-\fBint use_window(WINDOW *win, NCURSES_SCREEN_CB func, void *data);\fR
+\fBint use_window(WINDOW *win, NCURSES_WINDOW_CB func, void *data);\fR
 .br
 .SH DESCRIPTION
 This implementation can be configured to provide rudimentary support