[PATCH 2/2] test-manual: Correct two references to BB_SKIP_NETTESTS

[Peter Kjellerstedt <pkj@axis.com>]

The environment variable used to disable network tests when running
bitbake-selftest was incorrectly referred to as BB_SKIP_NETTEST.

Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
---
 documentation/test-manual/intro.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/documentation/test-manual/intro.rst b/documentation/test-manual/intro.rst
index 4a3a97e29a..9c1a93cd40 100644
--- a/documentation/test-manual/intro.rst
+++ b/documentation/test-manual/intro.rst
@@ -178,10 +178,10 @@ Tests map into the codebase as follows:
 
       $ bitbake-selftest
 
-   To skip tests that access the Internet, use the ``BB_SKIP_NETTEST``
+   To skip tests that access the Internet, use the ``BB_SKIP_NETTESTS``
    variable when running "bitbake-selftest" as follows::
 
-      $ BB_SKIP_NETTEST=yes bitbake-selftest
+      $ BB_SKIP_NETTESTS=yes bitbake-selftest
 
    The default output is quiet and just prints a summary of what was
    run. To see more information, there is a verbose option::