diff --git a/README.rst b/README.rst
index 1938c0948..f871e24f2 100644
--- a/README.rst
+++ b/README.rst
@@ -24,3 +24,65 @@ Install
 -------
 
 Instructions for installing WebAppDIRAC are described `here <https://github.com/DIRACGrid/DIRAC/blob/integration/docs/source/AdministratorGuide/ServerInstallations/InstallingWebAppDIRAC.rst#installing-webappdirac>`_.
+
+Configure
+---------
+
+To configure web portal you need create **/WebApp** section in DIRAC configuration::
+
+  WebApp
+  {
+    # Specifies the caption in the title in the browser. By default, the name of the configuration is taken.
+    # Title = "My title"
+
+    # To use some balancer(e.g.: nginx) assign a balaser name here. By default, the portal is launched without a balancer.
+    # Balancer = None
+
+    # If a balancer is defined, this option determines the number of processes that will run in parallel on different ports. By default: 1.
+    # NumProcesses = 1
+
+    # If you want to run web portal in "development mode", by default, this is disabled.
+    # DevelopMode = True
+
+    # Change the root of the request path to the server(default: /DIRAC). It is not recommended to change.
+    # RootURL = /DIRAC
+
+    # To configure https protocol. It is not recommended to change.
+    # If you use balancer this options will ignore and will use HTTP options.
+    # HTTPS
+    # {
+      # To disable https protocol delete value. It is not recommended to change.
+      # Enabled = True
+      # To set another port(default: 8443).
+      # Port = 8443
+      # Host certificate pem
+      # Cert = /opt/dirac/etc/grid-security/hostcert.pem
+      # Host key pem
+      # Cert = /opt/dirac/etc/grid-security/hostkey.pem
+    # }
+
+    # To configure http protocol. It is not recommended to change.
+    # HTTP
+    # {
+      # To set another port. By default 8000 if you use balancer and 8080 if not.
+      # Port = 8000
+    # }
+
+    # To set secret for security cookies
+    # CookieSecret = mysecret
+
+    # Next section contain access rights.
+    # Access
+    # {
+    #   upload = TruestedHost
+    # }
+
+    # Path to favicon icon. It is not recommended to change.
+    # Icon = /static/core/img/icons/system/favicon.ico
+
+    # SSL protocol to use.
+    # SSLProtocol =
+
+    # Set static directories.
+    # DefaultStaticDirs = None
+  }
diff --git a/src/WebAppDIRAC/Lib/Conf.py b/src/WebAppDIRAC/Lib/Conf.py
index ec1c64475..77453457d 100644
--- a/src/WebAppDIRAC/Lib/Conf.py
+++ b/src/WebAppDIRAC/Lib/Conf.py
@@ -5,6 +5,7 @@
 
 from DIRAC import gConfig
 from DIRAC.Core.Security import Locations, X509Chain, X509CRL
+from DIRAC.Core.Utilities.Decorators import deprecated
 
 BASECS = "/WebApp"
 
@@ -237,12 +238,13 @@ def getAuthSectionForHandler(route):
     return "%s/Access/%s" % (BASECS, route)
 
 
+@deprecated("This funtion is deprecated, use 'tabs' instead.")
 def getTheme():
     """Get theme
 
     :return: str
     """
-    return getCSValue("Theme", "tabs")
+    return "tabs"
 
 
 def getIcon():