diff --git a/packages/jspsych/tests/citations/citations.test.ts b/packages/jspsych/tests/citations/citations.test.ts
index 93431bd9..65ceee47 100644
--- a/packages/jspsych/tests/citations/citations.test.ts
+++ b/packages/jspsych/tests/citations/citations.test.ts
@@ -39,7 +39,7 @@ try {
     });
     test("citing without input and with invalid format", () => {
       expect(() => jspsych.getCitations(null, "apa")).toThrow(
-        "Expected array of plugins/extensionss"
+        "Expected array of plugins/extensions"
       );
     });
   });