diff --git a/app/controllers/kpm/nodes_info_controller.rb b/app/controllers/kpm/nodes_info_controller.rb
index 40a4798..ea00fdc 100644
--- a/app/controllers/kpm/nodes_info_controller.rb
+++ b/app/controllers/kpm/nodes_info_controller.rb
@@ -8,6 +8,8 @@ class NodesInfoController < EngineController
     include ActionController::Live
 
     def index
+      @installing = !params[:i].blank?
+
       @nodes_info = ::KillBillClient::Model::NodesInfo.nodes_info(options_for_klient)
 
       # For convenience, put pure OSGI bundles at the bottom
@@ -76,7 +78,7 @@ def refresh
 
     def install_plugin
       trigger_node_plugin_command('INSTALL_PLUGIN')
-      redirect_to :action => :index
+      redirect_to nodes_info_index_path(:i => 1)
     end
 
     def uninstall_plugin
diff --git a/app/views/kpm/nodes_info/index.html.erb b/app/views/kpm/nodes_info/index.html.erb
index 9d8fa9e..a16de23 100644
--- a/app/views/kpm/nodes_info/index.html.erb
+++ b/app/views/kpm/nodes_info/index.html.erb
@@ -3,6 +3,7 @@
   <div class="column-block">
 
     <h1>Configured instances
+      <div id="install-in-progress" class="btn btn-xs text-success" style="display: none;"><i class="fa fa-refresh"></i>&nbsp;Operation in progress</div>
       <%= link_to('<i class="fa fa-refresh"></i>&nbsp;Operation complete, reload page'.html_safe, url_for, :id => "reload-page", :class => 'btn btn-xs text-success', :style => "display: none;") %>
       <% if kpm_plugin_installed?(@nodes_info) %>
         <div class="pull-right">
@@ -46,7 +47,22 @@
       setTimeout(fakeOperationComplete, 6000);
     });
 
+    <%- if @installing %>
+      // Prevent other clicks
+      $('.plugin-link').removeAttr('data-remote')
+                       .removeAttr('data-method')
+                       .removeAttr('href')
+      $('#nodes-table-wrapper').css({ opacity: 0.5 });
+
+      $('#install-in-progress').show();
+      $('#install-in-progress').children().addClass('fa-spin');
+
+      setTimeout(fakeOperationComplete, 6000);
+    <% end %>
+
     function fakeOperationComplete() {
+      $('#install-in-progress').hide();
+
       $('.plugin-link').children().removeClass('fa-spin');
       $('#nodes-table-wrapper').fadeTo("slow", 0.5);
       $('#reload-page').fadeIn("slow");
diff --git a/app/views/kpm/plugins/_form.html.erb b/app/views/kpm/plugins/_form.html.erb
index 2463947..8a599f1 100644
--- a/app/views/kpm/plugins/_form.html.erb
+++ b/app/views/kpm/plugins/_form.html.erb
@@ -2,7 +2,7 @@
     <div class="form-group">
       <%= label_tag :plugin_key, 'Plugin key', :class => 'col-sm-2 control-label' %>
       <div class="col-sm-9">
-        <%= text_field_tag :plugin_key, '', :class => 'form-control', :placeholder => 'Plugin key', :required => true %>
+        <%= text_field_tag :plugin_key, '', :class => 'form-control', :placeholder => 'Unique identifier for this plugin, e.g. myCompany:myPluginName', :required => true %>
       </div>
     </div>
     <div class="form-group">
@@ -14,7 +14,7 @@
     <div class="form-group">
       <%= label_tag :plugin_uri, 'URI', :class => 'col-sm-2 control-label' %>
       <div class="col-sm-9">
-        <%= text_field_tag :plugin_uri, '', :class => 'form-control', :placeholder => 'Plugin URI', :required => true %>
+        <%= text_field_tag :plugin_uri, '', :class => 'form-control', :placeholder => 'HTTP(S) url accessible from all Kill Bill nodes', :required => true %>
       </div>
     </div>
     <div class='form-group'>