Fix multiprocessing markup (GH-23525)

Author: andresdelfino

Doc/library/multiprocessing.rst

@@ -2569,9 +2569,9 @@ Address Formats
   filesystem.
 
 * An ``'AF_PIPE'`` address is a string of the form
-   :samp:`r'\\\\.\\pipe\\{PipeName}'`.  To use :func:`Client` to connect to a named
-   pipe on a remote computer called *ServerName* one should use an address of the
-   form :samp:`r'\\\\{ServerName}\\pipe\\{PipeName}'` instead.
+  :samp:`r'\\\\.\\pipe\\{PipeName}'`.  To use :func:`Client` to connect to a named
+  pipe on a remote computer called *ServerName* one should use an address of the
+  form :samp:`r'\\\\{ServerName}\\pipe\\{PipeName}'` instead.
 
 Note that any string beginning with two backslashes is assumed by default to be
 an ``'AF_PIPE'`` address rather than an ``'AF_UNIX'`` address.