documentation
diff --git a/apps/ccnx-consumer.cc b/apps/ccnx-consumer.cc
index 9bf66c8..30ad394 100644
--- a/apps/ccnx-consumer.cc
+++ b/apps/ccnx-consumer.cc
@@ -66,7 +66,7 @@
                    StringValue ("/"),
                    MakeCcnxNameComponentsAccessor (&CcnxConsumer::m_interestName),
                    MakeCcnxNameComponentsChecker ())
-    .AddAttribute ("LifeTime", "LifeTime fo interest packet",
+    .AddAttribute ("LifeTime", "LifeTime for interest packet",
                    StringValue ("2s"),
                    MakeTimeAccessor (&CcnxConsumer::m_interestLifeTime),
                    MakeTimeChecker ())