documentation: new notes

README.md

@@ -63,6 +63,9 @@ search for patterns within your notes.
 With this, you may populate the location list with all links to the currently
 opened note.
 
+- `:DenoteNew {title}`:
+With this, a new note entry is generated with the supplied title.
+
 #### Key mappings
 This package also defines the following interface for key mappings, which
 automatically open the location window:
@@ -83,16 +86,13 @@ nnoremap [l :lprevious<CR>
 ```
 
 ### Customization
-You can customize the behavior of this package using the following two global
-variables. The variable `g:denote_note_file_extensions` defaults to `['md',
-'org', 'txt']` and lists the file extensions in which `:DenoteGrep` will look
-for the given pattern. The other variable `g:denote_loc_title_columns` defaults
-to `40` and specifies the number of columns used to display the titles of your
-notes.
+You can customize the behavior of this package using several global variables.
+Customization is explained in the [help file](doc/denote.txt), also accessible
+through `:help denote-settings`.
 
 ### Future features
 These features are planned:
-- Note creation (and deletion?)
 - Tag manipulation
 - Title manipulation
 - Signature handling?
+- Note deletion?