diff --git a/tools/dump/main.cpp b/tools/dump/main.cpp
index 4f756e5..1fe54e6 100644
--- a/tools/dump/main.cpp
+++ b/tools/dump/main.cpp
@@ -50,7 +50,7 @@
   os << "Usage: " << appName << " [options] [pcap-filter]\n"
      << "\n"
      << "Default pcap-filter:\n"
-     << "    '" << NdnDump::getDefaultPcapFilter() << "'\n"
+     << "  '" << NdnDump::getDefaultPcapFilter() << "'\n"
      << "\n"
      << options;
 }