diff --git a/content/unit-testing/exercises/_index.md b/content/unit-testing/exercises/_index.md
index 5e415ff..0a25ea1 100644
--- a/content/unit-testing/exercises/_index.md
+++ b/content/unit-testing/exercises/_index.md
@@ -78,7 +78,7 @@ to our car that exceeds the gas tank size.
       //TODO: can't have more gas than tank size, expect an exception
       @Test()
       public void testGasOverfillException() {
-         assertthrows(IllegalArgumentException.class, () -> );
+         assertThrows(IllegalArgumentException.class, () -> );
       }
    ```
 
@@ -125,4 +125,4 @@ public void testGasOverfillException() {
 }
 ```
 
-{{% /expand %}}
\ No newline at end of file
+{{% /expand %}}