Align text with title

src/iridium-window.ui

@@ -86,7 +86,7 @@
                 <child>
                   <object class="GtkScrolledWindow">
                     <property name="visible">True</property>
-                    <property name="margin">6</property>
+                    <property name="margin">12</property>
                     <child>
                       <object class="GtkSourceView" id="source_view">
                         <property name="visible">True</property>