pipe.7: wfix

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man7/pipe.7 b/man7/pipe.7
index 81ad3f49da43e17774a6c79a1df510ae323aae03..229032c51df37509be17647bd52c4d395b87b6ae 100644 (file)
--- a/man7/pipe.7
+++ b/man7/pipe.7
@@ -237,7 +237,7 @@ is supported for pipes and FIFOs only since kernel 2.6.
 .SS Portability notes
 On some systems (but not Linux), pipes are bidirectional:
 data can be transmitted in both directions between the pipe ends.
-According to POSIX.1, pipes need only need be unidirectional.
+POSIX.1 requires only unidirectional pipes.
 Portable applications should avoid reliance on
 bidirectional pipe semantics.
 .SH SEE ALSO