diff --git a/openbsc/README.vty-tests b/openbsc/README.vty-tests
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+To run the configuration parsing and output (VTY) test suite, first install
+
+  git://git.osmocom.org/python/osmo-python-tests
+
+and pass the following configure options here:
+
+  ./configure --enable-vty-tests --enable-external-tests
+
+The VTY tests are then included in the standard check target:
+
+  make check