diff --git a/CHANGES.html b/CHANGES.html
index 2d7a0cfcb..b2bb8efe5 100644
--- a/CHANGES.html
+++ b/CHANGES.html
@@ -133,15 +133,18 @@ or
 <pre>
   cmd.PrintHelp (std::cerr);
 </pre>
-   </li>
-   <li>IPv4's ARP Request and IPv6's NS/RS are now transmitted with a random delay.
-       The delay is, by default, a uniform random variable in time between 0 and 10ms.
-       This is aimed at preventing reception errors due to collisions during wifi broadcasts.
-       This behaviour can be modified by using ArpL3Protocol's 
-       <tt>RequestJitter</tt> and Icmpv6L4Protocol's <tt>SolicitationJitter</tt>
-       attributes or by using the new InternetStackHelper functions.
-       </li>
-   
+  </li>
+  <li>IPv4's ARP Request and IPv6's NS/RS are now transmitted with a random delay.
+      The delay is, by default, a uniform random variable in time between 0 and 10ms.
+      This is aimed at preventing reception errors due to collisions during wifi broadcasts.
+      This behaviour can be modified by using ArpL3Protocol's 
+      <tt>RequestJitter</tt> and Icmpv6L4Protocol's <tt>SolicitationJitter</tt>
+      attributes or by using the new InternetStackHelper functions.
+  </li>
+  <li>Command line boolean arguments specified with no integer value (e.g. 
+      "--boolArg") will toggle the value from the default, instead of 
+      always setting the value to true.
+  </li>
 </ul>
 
 <hr>
diff --git a/src/core/test/command-line-test-suite.cc b/src/core/test/command-line-test-suite.cc
index 971eaf4d9..678c2ba11 100644
--- a/src/core/test/command-line-test-suite.cc
+++ b/src/core/test/command-line-test-suite.cc
@@ -102,8 +102,10 @@ CommandLineBooleanTestCase::DoRun (void)
 {
   CommandLine cmd;
   bool myBool = true;
+  bool myDefaultFalseBool = false;
 
   cmd.AddValue ("my-bool", "help", myBool);
+  cmd.AddValue ("my-false-bool", "help", myDefaultFalseBool);
 
   Parse (cmd, 1, "--my-bool=0");
   NS_TEST_ASSERT_MSG_EQ (myBool, false, "Command parser did not correctly set a boolean value to false");
@@ -112,7 +114,10 @@ CommandLineBooleanTestCase::DoRun (void)
   NS_TEST_ASSERT_MSG_EQ (myBool, true, "Command parser did not correctly set a boolean value to true, given integer argument");
 
   Parse (cmd, 1, "--my-bool");
-  NS_TEST_ASSERT_MSG_EQ (myBool, true, "Command parser did not correctly set a boolean value to true, given no argument");
+  NS_TEST_ASSERT_MSG_EQ (myBool, false, "Command parser did not correctly toggle a default true boolean value to false, given no argument");
+
+  Parse (cmd, 1, "--my-false-bool");
+  NS_TEST_ASSERT_MSG_EQ (myDefaultFalseBool, true, "Command parser did not correctly toggle a default false boolean value to true, given no argument");
 
   Parse (cmd, 1, "--my-bool=t");
   NS_TEST_ASSERT_MSG_EQ (myBool, true, "Command parser did not correctly set a boolean value to true, given 't' argument");