test/README.txt: BUILDDIR should be BUILD_DIR [SKIP CI]

diff --git a/test/README.md b/test/README.md
index 9b777412d20830d77d19800ef2fcc798f3f32699..d90b6f131418695fcc550dea2b3559d2587035bc 100644 (file)
--- a/test/README.md
+++ b/test/README.md
@@ -68,7 +68,7 @@ To run the functional tests, do
 
 The tests can be configured with a set of environment variables:
 
- * `BUILD_DIR` - build directory of Nominatim installation to test
+ * `BUILDDIR` - build directory of Nominatim installation to test
  * `TEMPLATE_DB` - name of template database used as a skeleton for
                    the test databases (db tests)
  * `TEST_DB` - name of test database (db tests)