diff --git a/rocks/computers/software/langs/c++.md b/rocks/computers/software/langs/c++.md
index a689b21..d581088 100644
--- a/rocks/computers/software/langs/c++.md
+++ b/rocks/computers/software/langs/c++.md
@@ -16,9 +16,9 @@ that the pthreads API are garbage. But C++'s threads API is much
 better:
 
 <pre class="prettyprint">
-#include <iostream>
-#include <thread>
-#include <mutex>
+#include &lt;iostream&gt;
+#include &lt;thread&gt;
+#include &lt;mutex&gt;
 
 int j = 10;
 
@@ -66,8 +66,8 @@ above you'll have to have a lot of patience to work with
 pthreads). but C++ does.
 
 <pre class="prettyprint">
-#include <iostream>
-#include <future>
+#include &lt;iostream&gt;
+#include &lt;future&gt;
     
 int
 do_stuff()
@@ -78,7 +78,7 @@ do_stuff()
 int
 main()
 {
-    std::future<int> future = std::async(do_stuff);
+    std::future&lt;int&gt; future = std::async(do_stuff);
     std::cout << "do_stuff() is being executed in the background" << std::endl;
     std::cout << "The return value of do_stuff is: " << future.get() << std::endl;
     return 0;