diff --git a/app/views/devise/mailer/reset_password_instructions.html.erb b/app/views/devise/mailer/reset_password_instructions.html.erb
index 0fc308c4049b019e9891e9b5d18826af90dfd145..b0e718069fa8548a529d0621e5c70a90a6270df2 100644
--- a/app/views/devise/mailer/reset_password_instructions.html.erb
+++ b/app/views/devise/mailer/reset_password_instructions.html.erb
@@ -2,6 +2,7 @@
 
 <p><%= t '.request_reset_link_msg' %></p>
 
+<!-- instructions about reset password, it contains the redirect url -->
 <p><%= link_to t('.password_change_link'), edit_password_url(@resource, reset_password_token: @token, config: message['client-config'].to_s, redirect_url: message['redirect-url'].to_s).html_safe %></p>
 
 <p><%= t '.ignore_mail_msg' %></p>