Added new description to dired section for directory creation.

notes.org

@@ -756,9 +756,10 @@ Info link: [[info:emacs#Dired][Dired]]
 
 These are some of the commands that can be used in a dired buffer. For all intents, you can do
 nearly everything in here that you could do from a commandline—deletion, moving or renaming. Of
-course, creation is done by simply opening a new buffer and saving it to a location that you enter
-when you type =C-x s=. You can move using the usual cursor motion commands, either
-Up/Down/Left/Right or C-n/C-p.
+course, file creation is done by simply opening a new buffer (=C-x b=) or file (=C-x f=) and saving
+it to a location that you enter when you type =C-x s=. You can move using the usual cursor motion
+commands, either Up/Down/Left/Right or C-n/C-p. Directory creation uses =C-x +=, simply feed that a
+new name.
 
 With regard to moving by "pages", you can insert the content of subdirectories in each dired buffer
 with the command M-x dired-insert-subdir. That content will appear below the content of the top
@@ -777,6 +778,7 @@ between those pages.
 | Toggle marks         | t      | Invert whatever marks are present                     |
 | Query/replace-regexp | Q      | Asks for regexp to replace, then asks for replacement |
 |                      |        | It then proceeds through all matches asking y/n       |
+| Create new directory | +      | Choose new name that isn't already taken              |
 |----------------------+--------+-------------------------------------------------------|
 
 To remove certain files from the listing (this does not delete them from the disk), mark them first