Fix typo: "appropriate"

templates/integrations/add_pagertree.html

@@ -34,7 +34,7 @@
           <div class="col-sm-6">
               <span class="step-no">2</span>
               <p>
-                  In the Create Integration Form, fill out the details with apprpriate values, but most importantly make sure the <strong>Integration Type</strong> is set to <strong>Healthchecks.io</strong>. Then click the <strong>Create</strong> button.
+                  In the Create Integration Form, fill out the details with appropriate values, but most importantly make sure the <strong>Integration Type</strong> is set to <strong>Healthchecks.io</strong>. Then click the <strong>Create</strong> button.
               </p>
           </div>
           <div class="col-sm-6">