docs: misc

Co-authored-by: Au. <acehinnnqru@gmail.com>
Co-authored-by: Daniel Rainer <daniel.rainer@localhost>
Co-authored-by: Evgeni Chasnovski <evgeni.chasnovski@gmail.com>
Co-authored-by: Lewis Russell <lewis6991@gmail.com>
Co-authored-by: Luuk van Baal <luukvbaal@gmail.com>
Co-authored-by: Pierre Barbin <pierre@heitzsystem.com>
Co-authored-by: Riley Bruins <ribru17@hotmail.com>
Co-authored-by: Yinzuo Jiang <jiangyinzuo@foxmail.com>
Co-authored-by: phanium <91544758+phanen@users.noreply.github.com>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>

runtime/lua/vim/iter.lua

@@ -652,7 +652,7 @@ end
 ---
 --- ```
 ---
----@see Iter.find
+---@see |Iter:find()|
 ---
 ---@param f any
 ---@return any
@@ -757,7 +757,7 @@ end
 --- -- 4
 --- ```
 ---
----@see Iter.last
+---@see |Iter:last()|
 ---
 ---@return any
 function Iter:rpeek()
@@ -942,7 +942,7 @@ end
 ---
 --- ```
 ---
----@see Iter.rpeek
+---@see |Iter:rpeek()|
 ---
 ---@return any
 function Iter:last()