Updated readme usage instructions

README.md

@@ -65,17 +65,17 @@ You can also install from source using cake. From the source directory, run:
 
 CoffeeDoc can be run from the command line:
 
-    coffeedoc src/
+    Usage: coffeedoc [options] [targets]
 
-or
+    Options:
+        -o, --output: Set output directory (default: ./docs)
+        --commonjs  : Use if target scripts use CommonJS for module loading (default)
+        --requirejs : Use if target scripts use RequireJS for module loading (not yet implemented)
 
-    coffeedoc src/*.coffee
-
-If you specify a directory, CoffeeDoc will recursively document all `.coffee`
+If [targets] is a directory, CoffeeDoc will recursively document all `.coffee`
 files found under that directory.
 
-Generated documentation is saved to the `docs/` folder under the current
-directory. If you wish to document several modules, make sure you generate all
+If you wish to document several modules, make sure you generate all
 the docs with a single command -- this ensures that they will all appear in the
 `index.html` file.