Update man page

pick.1

@@ -55,6 +55,8 @@ Select between choices matching the current search query.
 .It Ic Page-Down/Page-Up
 Move the selection to the choice located one page down/up from the currently
 selected choice.
+.It Ic Home/End
+Move the selection to the first/last choice matching the current search query.
 .It Ic Enter
 Output the currently selected choice and exit.
 .It Ic Alt-Enter
@@ -65,7 +67,7 @@ Move the cursor left and right in the search query input field.
 Move the cursor to the beginning of the line in the search query input field.
 .It Ic Ctrl-E
 Move the cursor to the end of the line in the search query input field.
-.It Ic Backspace
+.It Ic Backspace | Ctrl-H
 Delete one character to the left of the cursor in the search query input field.
 .It Ic Delete | Ctrl-D
 Delete the character under the cursor in the search query input field.