Update form.html

Hi, I just noticed a wrong hint for the Inline Form, and I replaced it with the appropriate one.

production/form.html

@@ -1286,7 +1286,7 @@
 
                 <h4>Inline Form </h4>
                 <p class="font-gray-dark">
-                  For making labels vertical you have two options, either use the apropiate grid <b>.col-</b> class or wrap the form in the <b>form-vertical</b> class.
+                  Add .form-inline to your form (which doesn't have to be a <form>) for left-aligned and inline-block controls.
                 </p>
                 <form class="form-inline">
                   <div class="form-group">
@@ -1571,4 +1571,4 @@
     </script>
     <!-- /Starrr -->
   </body>
-</html>
+</html>