Doc/library/xml.etree.elementtree.rst: Add missing indent by 3

Author: hartwork

Doc/library/xml.etree.elementtree.rst

@@ -1400,10 +1400,12 @@ XMLParser Objects
 
       .. note::
 
-      :meth:`flush` has been backported to some prior releases of
-      CPython as a security fix.  Check for availability of :meth:`flush`
-      using :func:`hasattr` if used in code running across a variety of Python
-      versions.
+         :meth:`flush`
+         has been backported to some prior releases of CPython as a security
+         fix. Check for availability of
+         :meth:`flush`
+         using :func:`hasattr` if used in code running across a variety of
+         Python versions.
 
       .. versionadded:: 3.13
 
@@ -1480,10 +1482,12 @@ XMLPullParser Objects
 
       .. note::
 
-      :meth:`flush` has been backported to some prior releases of
-      CPython as a security fix.  Check for availability of :meth:`flush`
-      using :func:`hasattr` if used in code running across a variety of Python
-      versions.
+         :meth:`flush`
+         has been backported to some prior releases of CPython as a security
+         fix. Check for availability of
+         :meth:`flush`
+         using :func:`hasattr` if used in code running across a variety of
+         Python versions.
 
       .. versionadded:: 3.13