[dpdk-stable] [PATCH] doc: fix a typo in ntb guide

[Xiaoyun Li]

In prerequisites of ntb guide, the correct flag when loading igb_uio
module should be `wc_activate=1`, not `wc_active=1`.

Fixes: 11b5c7daf019 ("raw/ntb: add enqueue and dequeue functions")
Cc: stable at dpdk.org

Signed-off-by: Xiaoyun Li <xiaoyun.li at intel.com>
---
 doc/guides/rawdevs/ntb.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/guides/rawdevs/ntb.rst b/doc/guides/rawdevs/ntb.rst
index 58472135f..aa7d80964 100644
--- a/doc/guides/rawdevs/ntb.rst
+++ b/doc/guides/rawdevs/ntb.rst
@@ -52,11 +52,11 @@ NTB PMD needs kernel PCI driver to support write combining (WC) to get
 better performance. The difference will be more than 10 times.
 To enable WC, there are 2 ways.
 
-- Insert igb_uio with ``wc_active=1`` flag if use igb_uio driver.
+- Insert igb_uio with ``wc_activate=1`` flag if use igb_uio driver.
 
 .. code-block:: console
 
-  insmod igb_uio.ko wc_active=1
+  insmod igb_uio.ko wc_activate=1
 
 - Enable WC for NTB device's Bar 2 and Bar 4 (Mapped memory) manually.
   The reference is https://www.kernel.org/doc/html/latest/x86/mtrr.html
-- 
2.17.1