diff --git a/sys/man/2/9p b/sys/man/2/9p
index db0e181dd..c13c4fac1 100644
--- a/sys/man/2/9p
+++ b/sys/man/2/9p
@@ -226,7 +226,7 @@ is non-nil, post the other end file descriptor under the name
 .IP
 Initialize
 .IB s -> forker
-to eigther
+to either
 .I srvforker
 or
 .I threadsrvforker