changed warning to error

diff --git a/docs/teaching/exercises/index.html b/docs/teaching/exercises/index.html
index 3d459358d15c98a8339a9e05de64701b9a28591a..0e381b3c3f8915aa6dbbc6718694c63eb94bd3c9 100644 (file)
--- a/docs/teaching/exercises/index.html
+++ b/docs/teaching/exercises/index.html
@@ -114,7 +114,7 @@ into your answer file, make sure you get the desired compile-time
 error, remove the offending line, and make sure you pass the JUnit
 test.  </p>
 
-<p> <strong>Task:</strong> Signal a warning for calls to
+<p> <strong>Task:</strong> Signal an error for calls to
 <code>System.out.println</code>. 
 </p>