diff --git a/examples/traffic-control/red-vs-fengadaptive.cc b/examples/traffic-control/red-vs-fengadaptive.cc
index 95298204c..4ab0ce23f 100644
--- a/examples/traffic-control/red-vs-fengadaptive.cc
+++ b/examples/traffic-control/red-vs-fengadaptive.cc
@@ -55,7 +55,7 @@ int main (int argc, char *argv[])
   cmd.AddValue ("queueDiscType", "Set Queue disc type to RED or FengAdaptive", queueDiscType);
   cmd.AddValue ("appPktSize", "Set OnOff App Packet Size", pktSize);
   cmd.AddValue ("appDataRate", "Set OnOff App DataRate", appDataRate);
-  cmd.AddValue ("modeBytes", "Set Queue disc mode to Packets <false> or bytes <true>", modeBytes);
+  cmd.AddValue ("modeBytes", "Set Queue disc mode to Packets (false) or bytes (true)", modeBytes);
 
   cmd.AddValue ("redMinTh", "RED queue minimum threshold", minTh);
   cmd.AddValue ("redMaxTh", "RED queue maximum threshold", maxTh);
diff --git a/examples/traffic-control/red-vs-nlred.cc b/examples/traffic-control/red-vs-nlred.cc
index 066ad1bf6..fdfa929dd 100644
--- a/examples/traffic-control/red-vs-nlred.cc
+++ b/examples/traffic-control/red-vs-nlred.cc
@@ -57,7 +57,7 @@ int main (int argc, char *argv[])
   cmd.AddValue ("queueDiscType", "Set Queue disc type to RED or NLRED", queueDiscType);
   cmd.AddValue ("appPktSize", "Set OnOff App Packet Size", pktSize);
   cmd.AddValue ("appDataRate", "Set OnOff App DataRate", appDataRate);
-  cmd.AddValue ("modeBytes", "Set Queue disc mode to Packets <false> or bytes <true>", modeBytes);
+  cmd.AddValue ("modeBytes", "Set Queue disc mode to Packets (false) or bytes (true)", modeBytes);
 
   cmd.AddValue ("redMinTh", "RED queue minimum threshold", minTh);
   cmd.AddValue ("redMaxTh", "RED queue maximum threshold", maxTh);
diff --git a/src/core/model/command-line.cc b/src/core/model/command-line.cc
index d5275188d..eb2debf8e 100644
--- a/src/core/model/command-line.cc
+++ b/src/core/model/command-line.cc
@@ -381,14 +381,14 @@ CommandLine::PrintDoxygenUsage (void) const
          << "<dl>\n";
       for (auto i : m_options)
         {
-          os << "  <dt>\\c --" << i->m_name << "</dt>\n"
+          os << "  <dt>\\c --" << i->m_name << " </dt>\n"
              << "    <dd>" << i->m_help;
 
           if ( i->HasDefault ())
             {
               os << " [" << i->GetDefault () << "]";
             }
-          os << "</dd>\n";
+          os << " </dd>\n";
         }
       os << "</dl>\n";
     }
@@ -400,14 +400,14 @@ CommandLine::PrintDoxygenUsage (void) const
          << "<dl>\n";
       for (auto i : nonOptions)
         {
-          os << "  <dt> \\c " << i->m_name << "</dt>\n"
+          os << "  <dt> \\c " << i->m_name << " </dt>\n"
              << "    <dd>" << i->m_help;
 
           if ( i->HasDefault ())
             {
               os << " [" << i->GetDefault () << "]";
             }
-          os << "</dd>\n";
+          os << " </dd>\n";
         }
       os << "</dl>\n";
     }
diff --git a/src/traffic-control/examples/red-vs-ared.cc b/src/traffic-control/examples/red-vs-ared.cc
index dadf57a39..0adc5504b 100644
--- a/src/traffic-control/examples/red-vs-ared.cc
+++ b/src/traffic-control/examples/red-vs-ared.cc
@@ -55,7 +55,7 @@ int main (int argc, char *argv[])
   cmd.AddValue ("queueDiscType", "Set Queue disc type to RED or ARED", queueDiscType);
   cmd.AddValue ("appPktSize", "Set OnOff App Packet Size", pktSize);
   cmd.AddValue ("appDataRate", "Set OnOff App DataRate", appDataRate);
-  cmd.AddValue ("modeBytes", "Set Queue disc mode to Packets <false> or bytes <true>", modeBytes);
+  cmd.AddValue ("modeBytes", "Set Queue disc mode to Packets (false) or bytes (true)", modeBytes);
 
   cmd.AddValue ("redMinTh", "RED queue minimum threshold", minTh);
   cmd.AddValue ("redMaxTh", "RED queue maximum threshold", maxTh);