diff --git a/src/winio.c b/src/winio.c
index e45eb580c00ea7fb910a9afb5fa8bad621f61dbe..9e6167d6f4c019cc46a21b9a9bc83fa588d76883 100644
--- a/src/winio.c
+++ b/src/winio.c
@@ -62,8 +62,8 @@ char *get_verbatim_kbinput(WINDOW *win, int *kbinput_len,
 
     /* Turn the keypad off so that we don't get extended keypad values,
      * all of which are outside the ASCII range, and switch to raw mode
-     * so that we can type ^C, ^Q, ^S, ^Z, and ^\ without getting
-     * interrupts. */
+     * so that we can type ^C, ^Q, ^S, ^Z, and ^\ (and ^Y on the Hurd)
+     * without getting interrupts. */
     keypad(win, FALSE);
 #ifdef _POSIX_VDISABLE
     raw();