diff --git a/truffle/docs/TCK.md b/truffle/docs/TCK.md
index c23e98bb25db..3cf69cb0c00b 100644
--- a/truffle/docs/TCK.md
+++ b/truffle/docs/TCK.md
@@ -39,6 +39,11 @@ example tests JavaScript with Java types:
 
 `mx tck -Dtck.values=java-host -Dtck.language=js`
 
+To run a single test specify the full test name. For example to run a test for SimpleLanguage `+` operator
+with SimpleLanguage `number` and `big number` use:
+
+`mx tck 'ExpressionTest#testExpression[sl::+(sl::number, sl::bigNumber)]'`
+
 To run the TCK tests on the GraalVM it's enough to set the mx `--java-home` to point to the GraalVM:
 
 `mx --java-home=<path_to_graalvm> tck`