diff --git a/app/helpers/remote_execution_helper.rb b/app/helpers/remote_execution_helper.rb
index 50f2a1d83..234f417c0 100644
--- a/app/helpers/remote_execution_helper.rb
+++ b/app/helpers/remote_execution_helper.rb
@@ -203,8 +203,7 @@ def time_in_words_span(time)
   end
 
   def documentation_button_rex(section = '')
-    url = 'http://theforeman.org/plugins/foreman_remote_execution/' +
-      "#{ForemanRemoteExecution::VERSION.split('.').take(2).join('.')}/index.html#"
+    url = "https://theforeman.org/plugins/foreman_remote_execution/#{rex_doc_version}/index.html#"
     documentation_button section, :root_url => url
   end
 
@@ -276,4 +275,8 @@ def targeting_hosts(job_invocation, hosts)
         actions: template_invocation_actions(task, host, job_invocation, template_invocation) }
     end
   end
+
+  def rex_doc_version
+    ForemanRemoteExecution::VERSION.split('.').take(2).join('.')
+  end
 end
diff --git a/app/views/job_invocations/welcome.html.erb b/app/views/job_invocations/welcome.html.erb
index 66173d16b..1d5ca6b67 100644
--- a/app/views/job_invocations/welcome.html.erb
+++ b/app/views/job_invocations/welcome.html.erb
@@ -7,7 +7,8 @@
         <%= _("Foreman can run arbitrary commands on remote hosts using different providers, such as SSH or Ansible. Communication goes through the Smart Proxy so Foreman does not have to have direct access to the target hosts and can scale to control many hosts.") %></br>
     </p>
     <p><%= link_to _('Learn more about this in the documentation.'),
-           documentation_url('1.ForemanRemoteExecution1.3Manual', :root_url => 'https://www.theforeman.org/plugins/foreman_remote_execution/1.3/index.html#'), :rel => 'external' %></p>
+      external_link_path(type: 'plugin_manual', name: 'foreman_remote_execution', version: rex_doc_version, section: "#1.ForemanRemoteExecution#{rex_doc_version}Manual"),
+      rel: 'external' %></p>
     <div class="blank-slate-pf-main-action">
         <%= display_link_if_authorized(_("Run Job"), { :action => :create }, { :class => "btn btn-primary btn-lg" }) %>
     </div>