update copy

app/views/spaces/index.html.erb

@@ -5,7 +5,7 @@
     <p>This add-on is only available for Cobot accounts that set up the integration prior to May 2020. It will continue to connect your space on Cobot with your slack.com account. New members on Cobot will automatically be invited to join your Slack team, so you don’t have to add them manually.</p>
 
     <% if @spaces.any? %>
-      <p>Select the space you want to connect to Slack:</p>
+      <p>Select the space you want to manage:</p>
       <ul class="admin-list">
         <% @spaces.each do |space| %>
           <li class="admin-item">