diff --git a/README.md b/README.md
index 7004d24..430fa00 100644
--- a/README.md
+++ b/README.md
@@ -36,4 +36,10 @@ $tree->countIntersections([2, 3]);
 // Get array of keys sorted in ascendant order
 $sortedIntervals = $tree->getKeys(); 
 // Expected array: [[1, 1], [1, 4], [2, 3], [3, 5], [5, 7], [5, 12], [6, 8]]
-```
\ No newline at end of file
+```
+
+## Tests
+
+```
+./vendor/bin/phpunit
+```