Correct spelling intial -> initial (#465)

Author: funkyrailroad

demo/demo/templates/demo_two.html

@@ -10,12 +10,12 @@ <h1>Initial State</h1>
   representation of that app along with its initial state.
 </p>
 <p>
-  Each time this page is reloaded, the application will revert to its stored intial state. This initial
+  Each time this page is reloaded, the application will revert to its stored initial state. This initial
   state is persisted in a standard
   Django <a href="{%url "admin:django_plotly_dash_dashapp_changelist" %}">model</a>.
 </p>
 <p>
-  It is also possible to specify intial arguments in the template. These override the values specifed in
+  It is also possible to specify initial arguments in the template. These override the values specifed in
   the code defining the app, and also take priority over any stored state.
 </p>
 <div class="card bg-light border-dark">