doc: fix typo in sample app guide

Fixes: bda68ab9d1e7 ("examples/ethtool: add user-space ethtool sample application")

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Remy Horton <remy.horton@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>

diff --git a/doc/guides/sample_app_ug/ethtool.rst b/doc/guides/sample_app_ug/ethtool.rst
index 4d1697e..6779795 100644 (file)
--- a/doc/guides/sample_app_ug/ethtool.rst
+++ b/doc/guides/sample_app_ug/ethtool.rst
@@ -47,7 +47,7 @@ To compile the application:
     .. code-block:: console
 
         export RTE_SDK=/path/to/rte_sdk
-        cd ${RTE_SD}/examples/ethtool
+        cd ${RTE_SDK}/examples/ethtool
 
 #.  Set the target (a default target is used if not specified). For example: