diff --git a/app/partials/views/modules/invitation-login-form.jade b/app/partials/views/modules/invitation-login-form.jade
index 949f97f7..234866bd 100644
--- a/app/partials/views/modules/invitation-login-form.jade
+++ b/app/partials/views/modules/invitation-login-form.jade
@@ -1,4 +1,5 @@
 form.login-form
+    p.form-header I already have a Taiga login
     fieldset
         input(type="text", name="username", ng-model="dataLogin.username", data-required="true",
               placeholder="Username or email (case sensitive)")
diff --git a/app/partials/views/modules/invitation-register-form.jade b/app/partials/views/modules/invitation-register-form.jade
index ec53132f..6e917cff 100644
--- a/app/partials/views/modules/invitation-register-form.jade
+++ b/app/partials/views/modules/invitation-register-form.jade
@@ -1,4 +1,5 @@
 form.register-form
+    p.form-header Register a new Taiga account (free)
     fieldset
         input(type="text", name="username", ng-model="dataRegister.username",
               data-required="true", data-maxlength="30", data-regexp="^[\\w.-]+$",
diff --git a/app/styles/layout/invitation.scss b/app/styles/layout/invitation.scss
index 1b93abcd..21666b7b 100644
--- a/app/styles/layout/invitation.scss
+++ b/app/styles/layout/invitation.scss
@@ -85,6 +85,10 @@
     .register-form {
         @include table-flex-child(1, 200px, 0, 200px);
         padding: 1rem;
+
+        .form-header {
+            color: #999;
+        }
     }
     .register-text {
         @extend %small;