vim-patch:8.2.3914 (#16808)

* vim-patch:8.2.3914: various spelling mistakes in comments

Problem:    Various spelling mistakes in comments.
Solution:   Fix the mistakes. (Dominique Pellé, closes vim/vim#9416)
af4a61a85d

Co-authored-by: zeertzjq <zeertzjq@outlook.com>

src/nvim/menu.c

@@ -361,7 +361,7 @@ static int add_menu_path(const char_u *const menu_path, vimmenu_T *menuarg,
         goto erret;
       }
 
-      // Not already there, so lets add it
+      // Not already there, so let's add it
       menu = xcalloc(1, sizeof(vimmenu_T));
 
       menu->modes = modes;