diff --git a/bin/addons/base/base_update.xml b/bin/addons/base/base_update.xml
index 7dc8ff57888..71c4fdc4be0 100644
--- a/bin/addons/base/base_update.xml
+++ b/bin/addons/base/base_update.xml
@@ -288,22 +288,22 @@
                 <form position="attributes">
                   <attribute name="string">Choose Your Interface</attribute>
                 </form>
-				<xpath expr="//label[@string='description']"
-	                 position="attributes">
-	            <attribute name="string">Choose between the simplified interface and the extended one. We suggest you use the simplified interface. It has less options and fields but is easier to understand. You will be able to switch to the extended interface later.</attribute>
-	          </xpath>
-	          <xpath expr='//separator[@string="title"]' position='attributes'>
-	          	  <attribute name='string'>Choose Your Interface</attribute>
-	          </xpath>
-	          <xpath expr='//separator[@string="vsep"]' position='attributes'>
-	          	  <attribute name='string'></attribute>
-	          	  <attribute name='rowspan'>12</attribute>
-		      </xpath>
+                <xpath expr="//label[@string='description']"
+                     position="attributes">
+                <attribute name="string">Choose between the simplified interface and the extended one. We suggest you use the simplified interface. It has less options and fields but is easier to understand. You will be able to switch to the extended interface later.</attribute>
+              </xpath>
+              <xpath expr='//separator[@string="title"]' position='attributes'>
+                    <attribute name='string'>Choose Your Interface</attribute>
+              </xpath>
+              <xpath expr='//separator[@string="vsep"]' position='attributes'>
+                    <attribute name='string'></attribute>
+                    <attribute name='rowspan'>12</attribute>
+              </xpath>
                <group string="res_config_contents" position="replace">
-	              	<group colspan="4">
-	              		<field colspan="4" name="view" nolabel="1"/>
-					</group>
-            	</group>
+                      <group colspan="4">
+                          <field colspan="4" name="view" nolabel="1"/>
+                    </group>
+                </group>
                 <xpath expr='//button[@name="action_skip"]' position='replace'/>
                 <xpath expr='//button[@name="action_next"]' position='attributes'>
                   <attribute name='string'>Set</attribute>