doc: fix a typo

* doc/coreutils.texi (stdbuf invocation): Insert missing "to".

diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 91b3f578140088b9e3f56f3e7f76fb6aa6ffbd6b..8d248d91153ba221983a832961681f902a168150 100644 (file)
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -14533,7 +14533,7 @@ the exit status of @var{command} otherwise
 @cindex standard streams, buffering
 @cindex line buffered
 
-@command{stdbuf} allows one modify the buffering operations of the
+@command{stdbuf} allows one to modify the buffering operations of the
 three standard I/O streams associated with a program.  Synopsis:
 
 @example