Update docs/user/advanced.rst

fix indentation for note so it renders properly

docs/user/advanced.rst

@@ -1123,11 +1123,11 @@ coffee.
     r = requests.get('https://github.com', timeout=None)
 
 .. note:: The connect timeout applies to each connection attempt to an IP address.
-If multiple addresses exist for a domain name, the underlying ``urllib3`` will
-try each address sequentially until one successfully connects.
-This may lead to an effective total connection timeout *multiple* times longer
-than the specified time, e.g. an unresponsive server having both IPv4 and IPv6
-addresses will have its perceived timeout *doubled*, so take that into account
-when setting the connection timeout.
+          If multiple addresses exist for a domain name, the underlying ``urllib3`` will
+          try each address sequentially until one successfully connects.
+          This may lead to an effective total connection timeout *multiple* times longer
+          than the specified time, e.g. an unresponsive server having both IPv4 and IPv6
+          addresses will have its perceived timeout *doubled*, so take that into account
+          when setting the connection timeout.
 
 .. _`connect()`: https://linux.die.net/man/2/connect