diff --git a/sigi/apps/convenios/models.py b/sigi/apps/convenios/models.py
index a2f3313..9dc3e29 100644
--- a/sigi/apps/convenios/models.py
+++ b/sigi/apps/convenios/models.py
@@ -9,32 +9,58 @@ from django.urls import reverse
 from django.utils.formats import date_format
 from django.utils.translation import gettext as _
 from tinymce.models import HTMLField
+from sigi.apps.contatos.models import Municipio, UnidadeFederativa
+from sigi.apps.eventos.models import Evento
 from sigi.apps.utils import to_ascii
-from sigi.apps.casas.models import Orgao
+from sigi.apps.casas.models import Funcionario, Orgao
 from sigi.apps.servidores.models import Servidor, Servico
+from sigi.apps.home.views import editor_help
 
 
 class Projeto(models.Model):
-    MARKUP_HELP = _(
-        "Use as seguintes marcações:<ul><li>{{ casa.nome }} para o"
-        " nome da Casa Legislativa / órgão</li>"
-        "<li>{{ casa.municipio.uf.sigla }} para a sigla da UF da "
-        "Casa legislativa</li><li>{{ presidente.nome }} "
-        "para o nome do presidente</li><li>{{ contato.nome }} para o nome "
-        "do contato Interlegis</li></ul>"
+    OFICIO_HELP = editor_help(
+        "texto_oficio",
+        [
+            ("evento", Evento),
+            ("casa", Orgao),
+            ("presidente", Funcionario),
+            ("contato", Funcionario),
+            ("casa.municipio", Municipio),
+            ("casa.municipio.uf", UnidadeFederativa),
+            ("data", _("Data atual")),
+            ("doravante", _("CÂMARA ou ASSEMBLEIA")),
+        ],
+    )
+    MINUTA_HELP = editor_help(
+        "modelo_minuta",
+        [
+            ("evento", Evento),
+            ("casa", Orgao),
+            ("presidente", Funcionario),
+            ("contato", Funcionario),
+            ("casa.municipio", Municipio),
+            ("casa.municipio.uf", UnidadeFederativa),
+            ("data", _("Data atual")),
+            ("ente", _("Ente da federação (município/estado)")),
+            ("doravante", _("CÂMARA ou ASSEMBLEIA")),
+        ],
     )
     nome = models.CharField(max_length=50)
     sigla = models.CharField(max_length=10)
     texto_oficio = HTMLField(
-        _("texto do ofício"), blank=True, help_text=MARKUP_HELP
+        _("texto do ofício"), blank=True, help_text=OFICIO_HELP
     )
     modelo_minuta = models.FileField(
         _("Modelo de minuta"),
         blank=True,
-        help_text=MARKUP_HELP,
+        help_text=MINUTA_HELP,
         upload_to="convenios/minutas/",
         validators=[
-            FileExtensionValidator,
+            FileExtensionValidator(
+                [
+                    "docx",
+                ]
+            ),
         ],
     )
 
diff --git a/sigi/apps/home/templates/home/editor_help_snippet.html b/sigi/apps/home/templates/home/editor_help_snippet.html
new file mode 100644
index 0000000..06ac428
--- /dev/null
+++ b/sigi/apps/home/templates/home/editor_help_snippet.html
@@ -0,0 +1,21 @@
+
+Utilize os seguintes <a class="modal-trigger" href="#help_modal_{{ field_name }}"><i>placeholders</i></a>
+<div id="help_modal_{{ field_name }}" class="modal">
+  <div class="modal-content">
+    <h5>Placeholders</h5>
+    <ul class="collection">
+      {% for placeholder in placeholders %}
+      <li class="collection-item"><b>{{ placeholder.0 }}</b>: {{ placeholder.1 }}</li>
+      {% endfor %}
+    </ul>
+  </div>
+  <div class="modal-footer">
+    <a href="#!" class="modal-close waves-effect waves-green btn-small btn-flat">Fechar</a>
+  </div>
+</div>
+<script>
+  console.log("Rodou");
+  $(document).ready(function(){
+    M.Modal.init($('.modal'), {});
+  });
+</script>
\ No newline at end of file
diff --git a/sigi/apps/home/views.py b/sigi/apps/home/views.py
index 282b035..10970e3 100644
--- a/sigi/apps/home/views.py
+++ b/sigi/apps/home/views.py
@@ -4,16 +4,17 @@ import datetime
 from itertools import cycle
 from django.contrib.admin.sites import site
 from django.contrib.auth.decorators import login_required
+from django.db import models
 from django.db.models import Q, Count
 from django.http import HttpResponse, HttpResponseForbidden, JsonResponse
 from django.shortcuts import render, get_object_or_404
+from django.template import Template, Context
 from django.template.loader import render_to_string
 from django.utils.translation import gettext as _
 from django.views.decorators.cache import never_cache
 from django_weasyprint.views import WeasyTemplateResponse
 from sigi.apps.casas.models import TipoOrgao, Orgao
 from sigi.apps.contatos.models import UnidadeFederativa
-from sigi.apps.convenios.models import Convenio, Projeto
 from sigi.apps.servicos.models import TipoServico
 from sigi.apps.servidores.models import Servidor
 from sigi.apps.utils import to_ascii
@@ -476,6 +477,8 @@ def report_sem_convenio(request):
 
 
 def busca_informacoes_camara():
+    from sigi.apps.convenios.models import Convenio, Projeto
+
     camaras = Orgao.objects.filter(tipo__sigla="CM")
     convenios = Convenio.objects.filter(casa_legislativa__tipo__sigla="CM")
     projetos = Projeto.objects.all()
@@ -714,3 +717,29 @@ def color_palete():
     )
 
     return (colors, highlights)
+
+
+def editor_help(field_name, Field_list):
+    placeholders = []
+    for name, detail in Field_list:
+        if type(detail) is str:
+            placeholders.append([f"{{{{ {name} }}}}", detail])
+        else:
+            placeholders.append(
+                [
+                    f"{{{{ {name} }}}}",
+                    detail._meta.verbose_name.capitalize(),
+                ]
+            )
+            for field in detail._meta.fields:
+                if field.auto_created or type(field) is models.ForeignKey:
+                    pass  # Ignore FK and auto-PK
+                else:
+                    placeholders.append(
+                        [f"{{{{ {name}.{field.name} }}}}", field.verbose_name]
+                    )
+
+    return render_to_string(
+        "home/editor_help_snippet.html",
+        {"field_name": field_name, "placeholders": placeholders},
+    )