diff --git a/src/main/java/uk/ac/rhul/cs/javatester/SubmissionWrapper.java b/src/main/java/uk/ac/rhul/cs/javatester/SubmissionWrapper.java
index 03a88bf4ce39f6d6db7bed9af252af95392c06d2..6420a40152c98fd442be2fcb1b18ec524c31aaf8 100644
--- a/src/main/java/uk/ac/rhul/cs/javatester/SubmissionWrapper.java
+++ b/src/main/java/uk/ac/rhul/cs/javatester/SubmissionWrapper.java
@@ -558,7 +558,7 @@ public class SubmissionWrapper implements AutoCloseable {
     public static String[] expectedOutput(String output) {
         return new String[] {
             "> " + output,
-            "Expected the output '" + output + "'."
+            "Expected the last line of output shown above to be '" + output + "'."
         };
     }