Update documentation

README.md

@@ -18,12 +18,23 @@ By default, dfmt reads its input from ```stdin``` and writes to ```stdout```.
 If a file name is specified on the command line, input will be read from the
 file instead, and output will be written to ```stdout```.
 ### Options
+* ```--help```:
 * ```--inplace```: a file name is required and the file will be edited in-place.
-* ```--braces=otbs```: Use ["The One True Brace Style"](https://en.wikipedia.org/wiki/Indent_style#Variant:_1TBS), placing open braces on
-  the same line as the previous token.
-* ```--braces=allman```: Use ["Allman Style"](https://en.wikipedia.org/wiki/Indent_style#Allman_style),
-  placing opening braces on their own line. This is the default.
-* ```--tabs```: Use tabs for indentation instead of spaces.
+* ```--align_switch_statements```: See ```dfmt_align_switch_statements``` below
+* ```--brace_style```: See ``brace_style``` below
+* ```--end_of_line```: See ```end_of_line``` below
+* ```--indent_size```: See ```indent_size``` below
+* ```--indent_style```: See ```indent_style``` below
+* ```--max_line_length```: See ```max_line_length``` below
+* ```--soft_max_line_length```: See ```dfmt_soft_max_line_length``` below
+* ```--outdent_attributes```: See ```dfmt_outdent_attributes``` below
+* ```--outdent_labels```: See ```dfmt_outdent_labels``` below
+* ```--space_after_cast```: See ```dfmt_space_after_cast``` below
+* ```--split_operator_at_line_end```: See ```dfmt_split_operator_at_line_end``` below
+* ```--tab_width```: See ```tab_width``` below
+
+### Example
+```dfmt --inplace --space_after_cast=false --max_line_length=80 --soft_max_line_length=70 file.d```
 
 ## Configuration
 **dfmt** uses [EditorConfig](http://editorconfig.org/) configuration files.