diff --git a/Libros/Pipfile.lock b/Libros/Pipfile.lock
index 1944333..99c0036 100644
--- a/Libros/Pipfile.lock
+++ b/Libros/Pipfile.lock
@@ -26,12 +26,12 @@
         },
         "django": {
             "hashes": [
-                "sha256:bd4505cae0b9bd642313e8fb71810893df5dc2ffcacaa67a33af2d5cd61888f2",
-                "sha256:f216510ace3de5de01329463a315a629f33480e893a9024fc93d8c32c22913da"
+                "sha256:848a5980e8efb76eea70872fb0e4bc5e371619c70fffbe48e3e1b50b2c09455d",
+                "sha256:d3b811bf5371a26def053d7ee42a9df1267ef7622323fe70a601936725aa4557"
             ],
             "index": "pypi",
             "markers": "python_version >= '3.10'",
-            "version": "==5.0.7"
+            "version": "==5.1"
         },
         "django-db": {
             "hashes": [
diff --git a/Libros/biblioteca/.env b/Libros/biblioteca/.env
deleted file mode 100644
index d53e27c..0000000
--- a/Libros/biblioteca/.env
+++ /dev/null
@@ -1 +0,0 @@
-VERSION=1.0
diff --git a/Libros/biblioteca/biblioteca/settings.py b/Libros/biblioteca/biblioteca/settings.py
index 202fd4a..4271d96 100644
--- a/Libros/biblioteca/biblioteca/settings.py
+++ b/Libros/biblioteca/biblioteca/settings.py
@@ -105,9 +105,9 @@ AUTH_PASSWORD_VALIDATORS = [
 # Internationalization
 # https://docs.djangoproject.com/en/5.0/topics/i18n/
 
-LANGUAGE_CODE = 'en-us'
+LANGUAGE_CODE = 'es-es'
 
-TIME_ZONE = 'UTC'
+TIME_ZONE = 'Europe/Madrid'
 
 USE_I18N = True
 
diff --git a/Libros/biblioteca/gestion/forms.py b/Libros/biblioteca/gestion/forms.py
index 9092ba2..103bb90 100644
--- a/Libros/biblioteca/gestion/forms.py
+++ b/Libros/biblioteca/gestion/forms.py
@@ -32,6 +32,7 @@ class ReyMotaUserCreationForm(UserCreationForm):
     class Meta:
         model = ReyMotaUser
         fields = ("email", "nombre", "foto")
+        labels = {'email': 'Dirección de correo'}
 
 class ReyMotaUserChangeForm(UserChangeForm):
 
diff --git a/Libros/biblioteca/gestion/templates/_branding.html b/Libros/biblioteca/gestion/templates/_branding.html
index 2e9653d..0c08c5b 100644
--- a/Libros/biblioteca/gestion/templates/_branding.html
+++ b/Libros/biblioteca/gestion/templates/_branding.html
@@ -1,6 +1,8 @@
 {% load static %}
 
+{% load filtros_de_entorno %}
+
 <div class="app-branding">
-    <a class="app-logo" href="{% url 'principal' %}"><img class="logo-icon me-2" src="{% static 'images/reymota-logo.svg' %}" alt="logo"><span class="logo-text">LIBROS</span></a>
+    <a class="app-logo" href="{% url 'principal' %}"><img class="logo-icon me-2" src="{% static 'images/reymota-logo.svg' %}" alt="logo"><span class="logo-text">LIBROS</span><span style="color: blue; font-size: 14px;"> v {{ "VERSION"|muestra_version }}</span></a>
 
 </div><!--//app-branding--> 
\ No newline at end of file
diff --git a/Libros/biblioteca/gestion/templates/registration/signup.html b/Libros/biblioteca/gestion/templates/registration/signup.html
index 17a1873..19222d6 100644
--- a/Libros/biblioteca/gestion/templates/registration/signup.html
+++ b/Libros/biblioteca/gestion/templates/registration/signup.html
@@ -7,7 +7,7 @@
 		    <div class="d-flex flex-column align-content-end">
 			    <div class="app-auth-body mx-auto">	
 					{% include "_branding.html"  %}
-					<h2 class="auth-heading text-center mb-4">Registrarse en Lyrics</h2>					
+					<h2 class="auth-heading text-center mb-4">Registrarse en Libros</h2>					
 	
 					<div class="auth-form-container text-start mx-auto">
 					
diff --git a/Libros/biblioteca/gestion/templatetags/__init__.py b/Libros/biblioteca/gestion/templatetags/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/Libros/biblioteca/gestion/templatetags/filtros_de_entorno.py b/Libros/biblioteca/gestion/templatetags/filtros_de_entorno.py
new file mode 100644
index 0000000..15058a1
--- /dev/null
+++ b/Libros/biblioteca/gestion/templatetags/filtros_de_entorno.py
@@ -0,0 +1,11 @@
+import os        
+from django import template
+
+register = template.Library()
+
+@register.filter
+def muestra_version(clave):
+    print("muestra_valor: ", clave)
+
+    print("muestra_valor: ", os.getenv(clave))
+    return os.getenv(clave, '')
diff --git a/RepostajesPy/servicios/repostajes/templates/_branding.html b/RepostajesPy/servicios/repostajes/templates/_branding.html
index eae343c..bf2cbc2 100644
--- a/RepostajesPy/servicios/repostajes/templates/_branding.html
+++ b/RepostajesPy/servicios/repostajes/templates/_branding.html
@@ -1,3 +1,3 @@
 <div class="app-branding">
-    <a class="app-logo" href="{{ url_for('paginas.index') }}"><img class="logo-icon me-2" src="{{ url_for('static', filename='images/reymota-logo.svg') }}" alt="logo"><span class="logo-text">REPOSTAJES</span><span class="nav-link-text"> v {{ 0|muestra_version('VERSION') }}</span></a>
+    <a class="app-logo" href="{{ url_for('paginas.index') }}"><img class="logo-icon me-2" src="{{ url_for('static', filename='images/reymota-logo.svg') }}" alt="logo"><span class="logo-text">REPOSTAJES</span><span style="color: blue; font-size: 14px;"> v {{ 0|muestra_version('VERSION') }}</span></a>
 </div><!--//app-branding--> 
\ No newline at end of file