minor docs fixes for clientutils

@@ -6,7 +6,11 @@
 The ``clientutils`` module
 ==========================
 
-Casper ships with a few client-side utilities which are injected in the remote DOM environment, and accessible from there through the ``__utils__`` object instance of the ``ClientUtils`` class from the ``clientutils`` module.
+Casper ships with a few client-side utilities which are injected in the remote DOM environment, and accessible from there through the ``__utils__`` object instance of the ``ClientUtils`` class from the ``clientutils`` module::
+
+    casper.evaluate(function() {
+      __utils__.echo("Hello World!");
+    });
 
 .. note::
 
@@ -21,7 +25,7 @@ Bookmarklet
 
 A bookmarklet is also available to help injecting Casper's client-side utilities in the DOM of your favorite browser.
 
-Just drag the link above onto your favorites toobar; when clicking, a ``__utils__`` object will be available within the console of your browser:
+Just drag the following link onto your favorites toobar; when clicking it, a ``__utils__`` object will be available within the console of your browser:
 
 .. raw:: html
 
@@ -299,7 +303,7 @@ To get the form values::
 
 **Signature:** ``log(String message[, String level])``
 
-Logs a message with an optional level. Will format the message a way CasperJS will be able to log phantomjs side. Default level is ``debug``.
+Logs a message with an optional level. Will format the message a way CasperJS will be able to log phantomjs side. Default level is ``debug``::
 
     casper.start('http://foo.ner/').thenEvaluate(function() {
         __utils__.log("We've got a problem on client side", 'error');