Fix two issues found by the suspicious builder.

Doc/library/ctypes.rst

@@ -1864,7 +1864,7 @@ Utility functions
    :module: ctypes.util
 
    Try to find a library and return a pathname.  *name* is the library name
-   without any prefix like ``lib```, suffix like ``.so``, ``.dylib`` or version
+   without any prefix like ``lib``, suffix like ``.so``, ``.dylib`` or version
    number (this is the form used for the posix linker option :option:`-l`).  If
    no library can be found, returns ``None``.
 

Doc/library/multiprocessing.rst

@@ -1812,7 +1812,7 @@ Address Formats
 * 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.
+   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.

Doc/library/stdtypes.rst

@@ -338,7 +338,7 @@ Notes:
       module: math
       single: floor() (in module math)
       single: ceil() (in module math)
-      single: trunc() (in module math)      
+      single: trunc() (in module math)
       pair: numeric; conversions
 
    Conversion from floats using :func:`int` or :func:`long` truncates toward