diff --git a/core/tracepoint/allow_reentry_spec.rb b/core/tracepoint/allow_reentry_spec.rb
index afcabb661b..6bff1bed76 100644
--- a/core/tracepoint/allow_reentry_spec.rb
+++ b/core/tracepoint/allow_reentry_spec.rb
@@ -23,7 +23,7 @@
       event_lines.should == [l1, l3, l4, l2, l3, l4]
     end
 
-    it 'raises RuntimeError' do
+    it 'raises RuntimeError when not called inside a TracePoint' do
       -> {
         TracePoint.allow_reentry{}
       }.should raise_error(RuntimeError)