diff --git a/modules/benchmark/src/test/org/apache/lucene/benchmark/byTask/feeds/TrecContentSourceTest.java b/modules/benchmark/src/test/org/apache/lucene/benchmark/byTask/feeds/TrecContentSourceTest.java
index 9b21ed3d9bc..98ac614353d 100644
--- a/modules/benchmark/src/test/org/apache/lucene/benchmark/byTask/feeds/TrecContentSourceTest.java
+++ b/modules/benchmark/src/test/org/apache/lucene/benchmark/byTask/feeds/TrecContentSourceTest.java
@@ -389,7 +389,7 @@ public class TrecContentSourceTest extends LuceneTestCase {
       gotExpectedException = true;
     }
     assertTrue("Should have gotten NoMoreDataException!", gotExpectedException);
-    assertEquals("Wrong number of documents created by osurce!",5,n);
+    assertEquals("Wrong number of documents created by source!",5,n);
     assertTrue("Did not see all types!",unseenTypes.isEmpty());
   }