docs: Improve clarity in installation and configuration guides for CRM

Author: Vadym-Kharchenko

docs/installation_and_configuration_guide-spanish.md

@@ -261,6 +261,14 @@ python manage.py runserver
 ```
 
 En este caso, el CRM estará disponible solo en tu computadora en la dirección IP 127.0.0.1 (localhost) y el puerto 8000.  
+Pero si abres esta dirección en tu navegador, verás una página de error.  
+La dirección para iniciar sesión en CRM se proporciona en la siguiente sección.
+
+> [!IMPORTANT]
+> Los sitios de administración están pensados para usuarios experimentados.  
+> Úselos para la configuración inicial y las acciones que no se pueden realizar en el sitio de CRM. Por ejemplo, acciones con departamentos, usuarios, permisos, etc.  
+> Para todo lo demás, utilice el sitio de CRM con el rol de usuario correspondiente.
+
 Si necesitas proporcionar acceso al CRM desde una intranet (red local), especifica la dirección IP de tu tarjeta de red y el puerto  
 (pero primero, [especifica el dominio del sitio del CRM](#especificar-el-dominio-del-sitio-crm)).
 Por ejemplo:
@@ -278,11 +286,6 @@ Django CRM es una aplicación web, y el servidor web suele ejecutar varias insta
 Ahora tienes dos sitios web: CRM y sitios de administración.  
 Usa las credenciales del superusuario para iniciar sesión.
 
-> [!IMPORTANT]
-> Los sitios de administración están pensados para usuarios experimentados.  
-> Úselos para la configuración inicial y las acciones que no se pueden realizar en el sitio de CRM. Por ejemplo, acciones con departamentos, usuarios, permisos, etc.  
-> Para todo lo demás, utilice el sitio de CRM con el rol de usuario correspondiente.
-
 ### Sitio de CRM para todos los usuarios
 
 `http://127.0.0.1:8000/en/123/`  

docs/installation_and_configuration_guide.md

@@ -106,10 +106,10 @@ All CRM users have access to this application by default.
 Access to the rest of the applications is only available to users with the appropriate roles, such as sales managers, company executives, etc.  
 To use all the features of these applications, you need to set up CRM integration:
 
-- with your company's websites;
-- with your company's mailboxes and sales managers' mailboxes;
-- with the service of receiving current exchange rates (if necessary);
-- with VoIP telephony service (if necessary).
+- with your company's websites
+- with your company's mailboxes and sales managers' mailboxes
+- with the service of receiving current exchange rates (if necessary)
+- with VoIP telephony service (if necessary)
 
 ## Project installation
 
@@ -195,7 +195,7 @@ and then destroy a separate [test database](https://docs.djangoproject.com/en/de
 
 #### For MySQL database, it is recommended to  
 
-- set up the timezone table;  
+- set up the timezone table
 - set the extended encoding:
   - charset `utf8mb4`
   - collation  `utf8mb4_general_ci`
@@ -255,17 +255,21 @@ python manage.py runserver
 ```
 
 In this case, CRM will be available only on your computer on the IP address 127.0.0.1 (localhost) and port 8000.  
+But if you open this address in your browser, you will see an error page.  
+The address for logging into CRM is provided in the next section.
+
+> [!NOTE]
+> You may see messages like **"Another instance is already running, quitting"** in the terminal or server logs.  
+> This is normal and requires no action.  
+> Django CRM is a web application, and the web server typically runs multiple CRM instances (workers) simultaneously. However, some CRM components are designed to run on a single instance to function properly. When the system detects that such a component is already running, it automatically prevents duplicate instances from starting.
+
 If you need to provide access to CRM from an intranet (local network), specify the IP address of your network card and port  
 (but first, [specify the CRM website domain](#specify-crm-site-domain)).
 For example:
 
 ```cmd
 python manage.py runserver 1.2.3.4:8000
 ```
-> [!NOTE]
-> You may see messages like **"Another instance is already running, quitting"** in the terminal or server logs.  
-> This is normal and requires no action.  
-> Django CRM is a web application, and the web server typically runs multiple CRM instances (workers) simultaneously. However, some CRM components are designed to run on a single instance to function properly. When the system detects that such a component is already running, it automatically prevents duplicate instances from starting.
 
 ## Access to CRM and admin sites