diff --git a/README.rst b/README.rst
index d6eaf36..4b15043 100644
--- a/README.rst
+++ b/README.rst
@@ -97,7 +97,7 @@ with `--packages` flag as follows:
 
 .. code-block:: bash
 
-    $ python pipdeptree.py --reverse --packages itsdangerous,gnureadline
+    $ pipdeptree --reverse --packages itsdangerous,gnureadline
     gnureadline==6.3.3
       - ipython==2.0.0 [requires: gnureadline]
     itsdangerous==0.24
@@ -205,7 +205,7 @@ tools.
 
 .. code-block:: bash
 
-    $ python pipdeptree.py --json
+    $ pipdeptree --json
 
 The dependency graph can be layed out as any of the formats supported by
 `GraphViz <http://www.graphviz.org/>`_:
@@ -223,37 +223,38 @@ Usage
 
 .. code-block:: bash
 
-     usage: pipdeptree.py [-h] [-f] [-a] [-l] [-w [{silence,suppress,fail}]] [-r]
-                          [-p PACKAGES] [-j]
+        usage: pipdeptree [-h] [-v] [-f] [-a] [-l] [-u] [-w [{silence,suppress,fail}]]
+                        [-r] [-p PACKAGES] [-j] [--graph-output OUTPUT_FORMAT]
 
-     Dependency tree of the installed python packages
+        Dependency tree of the installed python packages
 
-     optional arguments:
-       -h, --help            show this help message and exit
-       -f, --freeze          Print names so as to write freeze files
-       -a, --all             list all deps at top level
-       -l, --local-only      If in a virtualenv that has global access do not show
-                             globally installed packages
-       -u, --user-only       Only show installations in the user site dir
-       -w [{silence,suppress,fail}], --warn [{silence,suppress,fail}]
-                             Warning control. "suppress" will show warnings but
-                             return 0 whether or not they are present. "silence"
-                             will not show warnings at all and always return 0.
-                             "fail" will show warnings and return 1 if any are
-                             present. The default is "suppress".
-       -r, --reverse         Shows the dependency tree in the reverse fashion ie.
-                             the sub-dependencies are listed with the list of
-                             packages that need them under them.
-       -p PACKAGES, --packages PACKAGES
-                             Comma separated list of select packages to show in the
-                             output. If set, --all will be ignored.
-       -j, --json            Display dependency tree as json. This will yield "raw"
-                             output that may be used by external tools. This option
-                             overrides all other options.
-       --graph-output OUTPUT_FORMAT
-                             Print a dependency graph in the specified output
-                             format. Available are all formats supported by
-                             GraphViz, e.g.: dot, jpeg, pdf, png, svg
+        optional arguments:
+        -h, --help            show this help message and exit
+        -v, --version         show program's version number and exit
+        -f, --freeze          Print names so as to write freeze files
+        -a, --all             list all deps at top level
+        -l, --local-only      If in a virtualenv that has global access do not show
+                                globally installed packages
+        -u, --user-only       Only show installations in the user site dir
+        -w [{silence,suppress,fail}], --warn [{silence,suppress,fail}]
+                                Warning control. "suppress" will show warnings but
+                                return 0 whether or not they are present. "silence"
+                                will not show warnings at all and always return 0.
+                                "fail" will show warnings and return 1 if any are
+                                present. The default is "suppress".
+        -r, --reverse         Shows the dependency tree in the reverse fashion ie.
+                                the sub-dependencies are listed with the list of
+                                packages that need them under them.
+        -p PACKAGES, --packages PACKAGES
+                                Comma separated list of select packages to show in the
+                                output. If set, --all will be ignored.
+        -j, --json            Display dependency tree as json. This will yield "raw"
+                                output that may be used by external tools. This option
+                                overrides all other options.
+        --graph-output OUTPUT_FORMAT
+                                Print a dependency graph in the specified output
+                                format. Available are all formats supported by
+                                GraphViz, e.g.: dot, jpeg, pdf, png, svg
 
 
 Known Issues