Two small fixes in IO::Pipe docs

* IO::Handle is a class, not a role
* typo in method name, ugexe++

lib/Type/IO/Pipe.pod

@@ -4,7 +4,7 @@
 
 =SUBTITLE Buffered FIFO / Pipe
 
-    class IO::Pipe does IO::Handle { ... }
+    class IO::Pipe is IO::Handle { ... }
 
 An C<IO::Pipe> object closely corresponds to a UNIX pipe. It has one end where
 it consumes string or binary data, and another where it reproduces the same
@@ -17,7 +17,7 @@ Pipes can be easily constructed with L<sub run and Proc.new|/type/Proc>.
 
 =head2 method proc
 
-    method prodc(IO::Pipe:) returns Proc:D
+    method proc(IO::Pipe:) returns Proc:D
 
 Returns the L<Proc> object from which the pipe originates.